arm: bootm-fdt.c: fix compiler warning
compiling U-Boot with bosch_mpcxxxxd_sd_defconfig
drops warning:
arch/arm/lib/bootm-fdt.c: In function ‘arch_fixup_fdt’:
arch/arm/lib/bootm-fdt.c:37:6: warning: unused variable ‘ret’ [-Wunused-variable]
int ret = 0;
^~~
Fix it.
Signed-off-by: Heiko Schocher <hs@denx.de>