target/xtensa: fix pasto in pfwait.r opcode name

Core xtensa opcode table has pfwait.o instead of pfwait.r. Fix that.

Fixes: c884400f2988 ("target/xtensa: implement block prefetch option opcodes")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
(cherry picked from commit 1a03362b14affa4d8ddede55df6e21d7a07b87c2)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
1 file changed