kbuild: add svn revision information to setlocalversion
kbuild: add svn revision information to setlocalversion

follow git and mercurial style, include uncommitted changes detect

Cc: Frans Pop <1dac9bba9cb569a6a8c1c01dfb685827c24c1aa3@planet.nl>
Signed-off-by: Bryan Wu <465f0e91e61585f5bc1128e7fe63296c33a56926@analog.com>
Signed-off-by: Sam Ravnborg <f16bed56189e249fe4ca8ed10a1ecae60e8ceac0@ravnborg.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs