MFH: r424887

multimedia/libx264: unbreak ASM on armv6 after r422672

/nxb-bin/usr/bin/cc -I. -I. -c -DSTACK_ALIGNMENT=4 -DPIC -DHIGH_BIT_DEPTH=0 -DBIT_DEPTH=8 -o common/arm/quant-a.o common/arm/quant-a.S
<instantiation>:29:5: error: instruction requires: armv6t2

rbit r1, r1
^

common/arm/quant-a.S:362:1: note: while in macro instantiation
decimate_score_1x 15
^
<instantiation>:29:5: error: instruction requires: armv6t2

rbit r1, r1
^

/tmp/quant-a-8aad5d.s:515:1: note: while in macro instantiation
decimate_score_1x 16
^

PR: 213443
Reported by: pkg-fallout, Bernd Walter, Mikael Urankar
Approved by: portmgr blanket
Approved by: ports-secteam blanket