global: Migrate CONFIG_FSL_PMIC_CLK to CFG

Perform a simple rename of CONFIG_FSL_PMIC_CLK to CFG_FSL_PMIC_CLK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 1aaa762..ee0782e 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -23,7 +23,7 @@
 /* PMIC Controller */
 #define CFG_FSL_PMIC_BUS	0
 #define CONFIG_FSL_PMIC_CS	0
-#define CONFIG_FSL_PMIC_CLK	2500000
+#define CFG_FSL_PMIC_CLK	2500000
 #define CONFIG_FSL_PMIC_MODE	(SPI_MODE_0 | SPI_CS_HIGH)
 #define CFG_FSL_PMIC_BITLEN	32