global: Migrate CONFIG_FSL_PMIC_BUS to CFG

Perform a simple rename of CONFIG_FSL_PMIC_BUS to CFG_FSL_PMIC_BUS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index d4cca8d..1aaa762 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -21,7 +21,7 @@
 #define CONFIG_MXC_UART_BASE	UART1_BASE
 
 /* PMIC Controller */
-#define CONFIG_FSL_PMIC_BUS	0
+#define CFG_FSL_PMIC_BUS	0
 #define CONFIG_FSL_PMIC_CS	0
 #define CONFIG_FSL_PMIC_CLK	2500000
 #define CONFIG_FSL_PMIC_MODE	(SPI_MODE_0 | SPI_CS_HIGH)