[qca-nss-clients] Use only major and minor version in Makefile

 Makefiles use only major and minor version. Get rid of
 revision and stable version from KERNELVERSION variable

Signed-off-by: Ratheesh Kannoth <rkannoth@codeaurora.org>
Change-Id: If39ed1b071d1d9334116b4ef865e986267e46934
1 file changed