global: Migrate CONFIG_LPC32XX_NAND_SLC_WSETUP to CFG

Perform a simple rename of CONFIG_LPC32XX_NAND_SLC_WSETUP to CFG_LPC32XX_NAND_SLC_WSETUP

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mtd/nand/raw/lpc32xx_nand_slc.c b/drivers/mtd/nand/raw/lpc32xx_nand_slc.c
index dee8fd2..a070df8 100644
--- a/drivers/mtd/nand/raw/lpc32xx_nand_slc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_nand_slc.c
@@ -129,7 +129,7 @@
 	writel(TAC_W_RDY(CFG_LPC32XX_NAND_SLC_WDR_CLKS) |
 	       TAC_W_WIDTH(hclk / CONFIG_LPC32XX_NAND_SLC_WWIDTH) |
 	       TAC_W_HOLD(hclk / CFG_LPC32XX_NAND_SLC_WHOLD) |
-	       TAC_W_SETUP(hclk / CONFIG_LPC32XX_NAND_SLC_WSETUP) |
+	       TAC_W_SETUP(hclk / CFG_LPC32XX_NAND_SLC_WSETUP) |
 	       TAC_R_RDY(CFG_LPC32XX_NAND_SLC_RDR_CLKS) |
 	       TAC_R_WIDTH(hclk / CFG_LPC32XX_NAND_SLC_RWIDTH) |
 	       TAC_R_HOLD(hclk / CFG_LPC32XX_NAND_SLC_RHOLD) |