global: Migrate CONFIG_FSL_PMIC_BITLEN to CFG

Perform a simple rename of CONFIG_FSL_PMIC_BITLEN to CFG_FSL_PMIC_BITLEN

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/power/power_fsl.c b/drivers/power/power_fsl.c
index 9bb7e39..eace4dd 100644
--- a/drivers/power/power_fsl.c
+++ b/drivers/power/power_fsl.c
@@ -42,7 +42,7 @@
 	p->hw.spi.cs = CONFIG_FSL_PMIC_CS;
 	p->hw.spi.clk = CONFIG_FSL_PMIC_CLK;
 	p->hw.spi.mode = CONFIG_FSL_PMIC_MODE;
-	p->hw.spi.bitlen = CONFIG_FSL_PMIC_BITLEN;
+	p->hw.spi.bitlen = CFG_FSL_PMIC_BITLEN;
 	p->hw.spi.flags = SPI_XFER_BEGIN | SPI_XFER_END;
 	p->hw.spi.prepare_tx = pmic_spi_prepare_tx;
 #elif defined(CONFIG_POWER_I2C)
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 8ab1ee7..d4cca8d 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -25,7 +25,7 @@
 #define CONFIG_FSL_PMIC_CS	0
 #define CONFIG_FSL_PMIC_CLK	2500000
 #define CONFIG_FSL_PMIC_MODE	(SPI_MODE_0 | SPI_CS_HIGH)
-#define CONFIG_FSL_PMIC_BITLEN	32
+#define CFG_FSL_PMIC_BITLEN	32
 
 /*
  * MMC Configs