fix: nand: pxa3xx: fix defined but not used warnings

bbt_mirror_descr and bbt_main_descr is defined but not used
when compiling without CONFIG_SYS_NAND_USE_FLASH_BBT set.

Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed