arch/arm/kernel/insn.c: In function '__arm_gen_branch_thumb2':
arch/arm/kernel/insn.c:13: error: implicit declaration of function 'WARN_ON_ONCE'
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Extract out the instruction generation code so that it can be used
for jump labels too.
Signed-off-by: NRabin Vincent <rabin@rab.in>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>