Revert "arm: bugfix: save_boot_params_default accesses uninitalized stack when -O0"

This reverts commit fa042186b932e9b9ee9a2fd8a04a3acf7c70d224.
It causes build warnings like this:
cpu.c:48:1: warning: -fstack-usage not supported for this target
[enabled by default]

Signed-off-by: Wolfgang Denk <wd@denx.de>
1 file changed