Makefile.am: Remove m4 cruft, add bundled kernel header.
Makefile.am: Remove m4 cruft, add bundled kernel header.

We should not carry the file include/media/lirc.h, it's the kernels
task. But until this bug is fixed, lets install the file so that
drivers kan be compiled without kernel sources.

The m4 definitions are redundant, automake distributes (of course)
it's own include directory.

stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc