global: Migrate CONFIG_LPC32XX_NAND_SLC_RHOLD to CFG

Perform a simple rename of CONFIG_LPC32XX_NAND_SLC_RHOLD to CFG_LPC32XX_NAND_SLC_RHOLD

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h
index e178968..0b815de 100644
--- a/include/configs/devkit3250.h
+++ b/include/configs/devkit3250.h
@@ -47,7 +47,7 @@
 #define CONFIG_LPC32XX_NAND_SLC_WSETUP		50000000
 #define CFG_LPC32XX_NAND_SLC_RDR_CLKS	14
 #define CONFIG_LPC32XX_NAND_SLC_RWIDTH		66666666
-#define CONFIG_LPC32XX_NAND_SLC_RHOLD		200000000
+#define CFG_LPC32XX_NAND_SLC_RHOLD		200000000
 #define CONFIG_LPC32XX_NAND_SLC_RSETUP		50000000
 
 /*