The Makefile for ashmem and binder have this line:
KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
so dkms will always build those modules against running kernel,
even for other kernel version headers. With this commit dkms will
always provide the necessary kernel version.
Signed-off-by: NTomasz Maciej Nowak <tomek_n@o2.pl>