[coreboot-gerrit] Change in coreboot[master]: soc/{samsung,sifive}: Use 'include <stdlib.h>' when appropriate

[HAOUAS Elyes (Code Review)]

HAOUAS Elyes has restored this change. ( https://review.coreboot.org/c/coreboot/+/33689 )

Change subject: soc/{samsung,sifive}: Use 'include <stdlib.h>' when appropriate
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Restored