x86/purgatory, build: Suppress kexec-purgatory.c is up to date message
x86/purgatory, build: Suppress kexec-purgatory.c is up to date message

Suppress this unnecessary message during kernel re-build
(CONFIG_KEXEC_FILE=y):

make[1]: `arch/x86/purgatory/kexec-purgatory.c' is up to date.

Signed-off-by: WANG Chao <c2aee7029fe382c8d64e1072d797631ac5391d91@redhat.com>
Link: http://lkml.kernel.org/r/1413262019-3759-1-git-send-email-c2aee7029fe382c8d64e1072d797631ac5391d91@redhat.com
Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@zytor.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs