Without preceding declarations, "make C=1" generates
"Should it be static?" warnings for symbols
do_bootm_linux,
boot_prep_vxworks, and
boot_jump_vxworks
Include of bootm.h also identified a signature mismatch
(const on argv[]).
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>