[PARISC] Disable use of fpregs in pa_memcpy

Disable use of fpregs in pa_memcpy, and turn on the
-mdisable-fpregs flag.

Signed-off-by: Randolph Chung <tausq@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 3b339b1..e3549f4 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -43,7 +43,7 @@
 # Currently we save and restore fpregs on all kernel entry/interruption paths.
 # If that gets optimized, we might need to disable the use of fpregs in the
 # kernel.
-#cflags-y	+= -mdisable-fpregs
+cflags-y	+= -mdisable-fpregs
 
 # Without this, "ld -r" results in .text sections that are too big
 # (> 0x40000) for branches to reach stubs.