global: Migrate CONFIG_LPC32XX_NAND_SLC_RDR_CLKS to CFG

Perform a simple rename of CONFIG_LPC32XX_NAND_SLC_RDR_CLKS to CFG_LPC32XX_NAND_SLC_RDR_CLKS

Signed-off-by: Tom Rini <trini@konsulko.com>
2 files changed