freescale: ls1043aqds: drop ifdef CONFIG_SYS_I2C

- Drop ifdef CONFIG_SYS_I2C to initialize
  baudrate of i2c

- Drop warning of i2c_early_init_f as follows,
  warning: implicit declaration of function 'i2c_early_init_f'; did you
  mean 'arch_early_init_r'? [-Wimplicit-function-declaration]

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index 8c0d0db..ef0f2e6 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -50,6 +50,10 @@
 #define CFG_UART_MUX_SHIFT	1
 #define CFG_LPUART_EN		0x1
 
+#ifdef CONFIG_SYS_I2C_EARLY_INIT
+void i2c_early_init_f(void);
+#endif
+
 #ifdef CONFIG_TFABOOT
 struct ifc_regs ifc_cfg_nor_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
 	{
@@ -467,11 +471,9 @@
 	 */
 	out_le32(cntcr, 0x1);
 
-#ifdef CONFIG_SYS_I2C
 #ifdef CONFIG_SYS_I2C_EARLY_INIT
 	i2c_early_init_f();
 #endif
-#endif
 	fsl_lsch2_early_init_f();
 
 #ifdef CONFIG_HAS_FSL_XHCI_USB