kernel: makefiles: make use of new var KERNEL_PATCHVER
replace all occurences of LINUX_VERSION with the cleaner
approach. future kernel upgrades must mostly touch only
one file. the only platform left is netlogic, because it
uses a intermediate kernel 3.14.16
Signed-off-by: Bastian Bittorf <[email protected]>
SVN-Revision: 43047