serial: Rename SERIAL_SUPPORT to SERIAL

Rename these options so that CONFIG_IS_ENABLED can be used with them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 3a54221..da6871e 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -11,8 +11,8 @@
 	select TPL_NEEDS_SEPARATE_TEXT_BASE if SPL
 	select TPL_NEEDS_SEPARATE_STACK if TPL
 	imply SPL_SEPARATE_BSS
-	select SPL_SERIAL_SUPPORT
-	select TPL_SERIAL_SUPPORT
+	select SPL_SERIAL
+	select TPL_SERIAL
 	select DEBUG_UART_BOARD_INIT
 	imply ROCKCHIP_COMMON_BOARD
 	imply SPL_ROCKCHIP_COMMON_BOARD
@@ -84,9 +84,9 @@
 	select TPL_NEEDS_SEPARATE_STACK if TPL
 	select SPL_DRIVERS_MISC
 	imply ROCKCHIP_COMMON_BOARD
-	imply SPL_SERIAL_SUPPORT
+	imply SPL_SERIAL
 	imply SPL_ROCKCHIP_COMMON_BOARD
-	imply TPL_SERIAL_SUPPORT
+	imply TPL_SERIAL
 	imply TPL_ROCKCHIP_COMMON_BOARD
 	select TPL_LIBCOMMON_SUPPORT
 	select TPL_LIBGENERIC_SUPPORT
@@ -119,7 +119,7 @@
 	imply TPL_RAM
 	imply TPL_REGMAP
 	imply TPL_ROCKCHIP_COMMON_BOARD
-	imply TPL_SERIAL_SUPPORT
+	imply TPL_SERIAL
 	imply TPL_SYSCON
 	imply USB_FUNCTION_ROCKUSB
 	imply CMD_ROCKUSB
@@ -146,8 +146,8 @@
 	imply SPL_REGMAP
 	imply SPL_SYSCON
 	imply SPL_RAM
-	imply SPL_SERIAL_SUPPORT
-	imply TPL_SERIAL_SUPPORT
+	imply SPL_SERIAL
+	imply TPL_SERIAL
 	imply SPL_SEPARATE_BSS
 	help
 	  The Rockchip RK3308 is a ARM-based Soc which embedded with quad
@@ -165,8 +165,8 @@
 	imply ROCKCHIP_COMMON_BOARD
 	imply ROCKCHIP_SDRAM_COMMON
 	imply SPL_ROCKCHIP_COMMON_BOARD
-	imply SPL_SERIAL_SUPPORT
-	imply TPL_SERIAL_SUPPORT
+	imply SPL_SERIAL
+	imply TPL_SERIAL
 	imply SPL_SEPARATE_BSS
 	select ENABLE_ARM_SOC_BOOT0_HOOK
 	select DEBUG_UART_BOARD_INIT
@@ -188,8 +188,8 @@
 	imply ROCKCHIP_COMMON_BOARD
 	imply SPL_ROCKCHIP_COMMON_BOARD
 	imply SPL_SEPARATE_BSS
-	imply SPL_SERIAL_SUPPORT
-	imply TPL_SERIAL_SUPPORT
+	imply SPL_SERIAL
+	imply TPL_SERIAL
 	imply TPL_ROCKCHIP_COMMON_BOARD
 	help
 	  The Rockchip RK3368 is a ARM-based SoC with a octa-core (organised
@@ -219,7 +219,7 @@
 	select TPL_NEEDS_SEPARATE_TEXT_BASE if TPL
 	select TPL_NEEDS_SEPARATE_STACK if TPL
 	select SPL_SEPARATE_BSS
-	select SPL_SERIAL_SUPPORT
+	select SPL_SERIAL
 	select SPL_DRIVERS_MISC
 	select CLK
 	select FIT
@@ -235,7 +235,7 @@
 	imply ROCKCHIP_SDRAM_COMMON
 	imply SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
 	imply SPL_ROCKCHIP_COMMON_BOARD
-	imply TPL_SERIAL_SUPPORT
+	imply TPL_SERIAL
 	imply TPL_LIBCOMMON_SUPPORT
 	imply TPL_LIBGENERIC_SUPPORT
 	imply TPL_SYS_MALLOC_SIMPLE