arm: fix compilation on ARMv7
arm: fix compilation on ARMv7

/tmp/ccq2xzf8.s: Assembler messages:
/tmp/ccq2xzf8.s:5748: Error: thumb conditional instruction should be in IT block -- strexeq r1,r2,[r3]'

Cc: Alexander Kartashov <5dbba7f06b96156c7ec38c5bd8a847828ec59a50@parallels.com>
Cc: Ruslan Kuprieiv <f6538312ce47017d734b1357aabc970ebf896e32@gmail.com>
Signed-off-by: Andrey Vagin <74c05afa918858348d6db8037d82fa8124870113@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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