Failures on Debian-s390x-native-extended-gdbserver-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	debian-jessie-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/Debian-s390x-native-extended-gdbserver-m64/builds/4027>

Commit(s) tested:
	b416fe873ef44b2a613c9266c6462a481926d986

Author(s) (in the same order as the commits):
	Kito Cheng <kito.cheng@gmail.com>

Subject:
	RISC-V: Fix assembler for c.li, c.andi and c.addiw

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/Debian-s390x-native-extended-gdbserver-m64/b4/b416fe873ef44b2a613c9266c6462a481926d986/>