MX5: mx51evk: use new pmic driver

Switch to new pmic generic driver.

Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 0c10870..0d4ceb3 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -70,11 +70,15 @@
 
 #define CONFIG_MXC_SPI
 
-#define CONFIG_FSL_PMIC
+/* PMIC Controller */
+#define CONFIG_PMIC
+#define CONFIG_PMIC_SPI
+#define CONFIG_PMIC_FSL
 #define CONFIG_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)
+#define CONFIG_FSL_PMIC_BITLEN	32
 
 /*
  * MMC Configs