common: Convert *.c/h from UTF-8 to ASCII enconfing

Convert UTF-8 chars to ASCII in cases where make sense. No Copyright or
names are converted.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Marek Behún <kabel@kernel.org>
diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index 1a2f60e..00114e6 100644
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -395,7 +395,7 @@
 		return;
 
 	/*
-	 * SPI NOR "dtb" partition offset & size hardcoded for now because the
+	 * SPI NOR "dtb" partition offset & size hardcoded for now because the
 	 * mtd subsystem does not offer finding the partition yet and we do not
 	 * want to reimplement OF partition parser here.
 	 */
diff --git a/board/amlogic/vim3/vim3.c b/board/amlogic/vim3/vim3.c
index 43d7a8e..a485036 100644
--- a/board/amlogic/vim3/vim3.c
+++ b/board/amlogic/vim3/vim3.c
@@ -89,7 +89,7 @@
 
 	/*
 	 * If in PCIe mode, alter DT
-	 * 0:Enable USB3.0,Disable PCIE, 1:Disable USB3.0, Enable PCIE
+	 * 0: Enable USB3.0, Disable PCIE, 1: Disable USB3.0, Enable PCIE
 	 */
 	if (ret > 0) {
 		static char data[32] __aligned(4);
diff --git a/board/bosch/acc/acc.c b/board/bosch/acc/acc.c
index 34088ad..65c2f35 100644
--- a/board/bosch/acc/acc.c
+++ b/board/bosch/acc/acc.c
@@ -437,7 +437,7 @@
 	.trcd = 1313, // 13.125ns
 	.trcmin = 5063, // 50.625ns
 	.trasmin = 3750, // 37.5ns
-	.SRT = 0, // Set to 1 for temperatures above 85°C
+	.SRT = 0, // Set to 1 for temperatures above 85 deg C
 };
 
 static const struct mx6_ddr_sysinfo acc_mx6d_ddr_info = {
diff --git a/board/bosch/shc/board.c b/board/bosch/shc/board.c
index 962a485..aebdfd4 100644
--- a/board/bosch/shc/board.c
+++ b/board/bosch/shc/board.c
@@ -115,7 +115,7 @@
 	gpio_direction_output(WIFI_REGEN_GPIO, 1);
 	/*
 	 * Wait for Wi-Fi power regulator to reach a stable voltage
-	 * (soft-start time, max. 350 µs)
+	 * (soft-start time, max. 350 us)
 	 */
 	__udelay(350);
 
diff --git a/board/bosch/shc/board.h b/board/bosch/shc/board.h
index 4cc02f9..a5e5818 100644
--- a/board/bosch/shc/board.h
+++ b/board/bosch/shc/board.h
@@ -154,7 +154,7 @@
 #define HDR_FATC_LEN	12
 
 /*
-* SHC parameters held in On-Board I²C EEPROM device.
+* SHC parameters held in On-Board I2C EEPROM device.
 *
 * Header Format
 *
diff --git a/board/congatec/cgtqmx8/cgtqmx8.c b/board/congatec/cgtqmx8/cgtqmx8.c
index 3b01354..d8e5b1d 100644
--- a/board/congatec/cgtqmx8/cgtqmx8.c
+++ b/board/congatec/cgtqmx8/cgtqmx8.c
@@ -171,7 +171,7 @@
 	 * (U-Boot device node)    (Physical Port)
 	 * mmc0 (onboard eMMC)     USDHC1
 	 * mmc1 (external SD card) USDHC2
-	 * mmc2 (onboard µSD)      USDHC3
+	 * mmc2 (onboard uSD)      USDHC3
 	 */
 	for (i = 0; i < CFG_SYS_FSL_USDHC_NUM; i++) {
 		switch (i) {
@@ -196,7 +196,7 @@
 			gpio_direction_input(USDHC1_CD_GPIO);
 			break;
 		case 2:
-		  /* onboard µSD */
+		  /* onboard uSD */
 			if (!imx8_power_domain_lookup_name("conn_sdhc2", &pd))
 				power_domain_on(&pd);
 
diff --git a/board/freescale/common/i2c_mux.c b/board/freescale/common/i2c_mux.c
index 54f89e2..d40b34f 100644
--- a/board/freescale/common/i2c_mux.c
+++ b/board/freescale/common/i2c_mux.c
@@ -12,7 +12,7 @@
 
 /*
  * A new Kconfig option for something that used to always be built should be
- * “default y”.
+ * "default y".
  */
 #ifdef CONFIG_FSL_USE_PCA9547_MUX
 
diff --git a/board/siemens/capricorn/board.c b/board/siemens/capricorn/board.c
index 0d66a75..b1d7e3b 100644
--- a/board/siemens/capricorn/board.c
+++ b/board/siemens/capricorn/board.c
@@ -156,14 +156,14 @@
 	 *	0: internal clock
 	 *	1: external clock --->  your choice for RMII
 	 *
-	 * CLKDIV_SEL: it controls a div by 2 on the internal clock path à
-	 *	it should be don’t care when using external clock
+	 * CLKDIV_SEL: it controls a div by 2 on the internal clock path a
+	 *	it should be don't care when using external clock
 	 *	0: non-divided clock
 	 *	1: clock divided by 2
 	 * 50_DISABLE or 125_DISABLE:
-	 *	it’s used to disable the clock tree going outside the chip
+	 *	it's used to disable the clock tree going outside the chip
 	 *	when reference clock is generated internally.
-	 *	It should be don’t care when reference clock is provided
+	 *	It should be don't care when reference clock is provided
 	 *	externally.
 	 *	0: clock is enabled
 	 *	1: clock is disabled
diff --git a/board/st/common/cmd_stboard.c b/board/st/common/cmd_stboard.c
index cb103e6..c8c0bad 100644
--- a/board/st/common/cmd_stboard.c
+++ b/board/st/common/cmd_stboard.c
@@ -9,7 +9,7 @@
  * - "Commercial Product Name" (CPN): type of product board (DKX, EVX)
  *   associated to the board ID "MBxxxx"
  * - "Finished Good" or "Finish Good" (FG):
- *   effective content of the product without chip STM32MP1xx (LCD, Wifi,…)
+ *   effective content of the product without chip STM32MP1xx (LCD, Wifi,...)
  * - BOM: cost variant for same FG (for example, several provider of the same
  *   component)
  *
diff --git a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c
index ddef7d6..5095a0e 100644
--- a/board/starfive/visionfive2/visionfive2-i2c-eeprom.c
+++ b/board/starfive/visionfive2/visionfive2-i2c-eeprom.c
@@ -503,7 +503,7 @@
 	 * "<product>-<date>-<DDR&eMMC>-<serial_number>"
 	 * <date>: 4Byte, should be the output of `date +%y%W`
 	 * <DDR&eMMC>: 8Byte, "D008" means 8GB, "D01T" means 1TB;
-	 *     "E000" means no eMMC,"E032" means 32GB, "E01T" means 1TB.
+	 *     "E000" means no eMMC, "E032" means 32GB, "E01T" means 1TB.
 	 * <serial_number>: 8Byte, the Unique Identifier of board in hex.
 	 */
 	if (!env_get("serial#"))
@@ -533,7 +533,7 @@
  * get_ddr_size_from_eeprom - get the DDR size
  * pstr:  VF7110A1-2228-D008E000-00000001
  * VF7110A1/VF7110B1 : VisionFive JH7110A /VisionFive JH7110B
- * D008: 8GB LPDDR4
+ * D008: 8GB LPDDR4
  * E000: No emmc device, ECxx: include emmc device, xx: Capacity size[GB]
  * return: the field of 'D008E000'
  */