MIPS: Netlogic: Fix sign extension in PIC write
MIPS: Netlogic: Fix sign extension in PIC write

This does not cause a problem yet, but we do not want to write 1
to reserved bits.

Signed-off-by: Jayachandran C <1bc8cf2274d8680f3a9b88ac7b7d2a9e0d1d4ca2@broadcom.com>
Cc: 562397917b9a8bf316569a848858b12fb417723f@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5424/
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs