powerpc: remove duplicate ioctl definitions

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/include/asm-powerpc/ioctls.h b/include/asm-powerpc/ioctls.h
index 5b94ff4..279a622 100644
--- a/include/asm-powerpc/ioctls.h
+++ b/include/asm-powerpc/ioctls.h
@@ -62,6 +62,9 @@
 # define TIOCM_DSR	0x100
 # define TIOCM_CD	TIOCM_CAR
 # define TIOCM_RI	TIOCM_RNG
+#define TIOCM_OUT1	0x2000
+#define TIOCM_OUT2	0x4000
+#define TIOCM_LOOP	0x8000
 
 #define TIOCGSOFTCAR	0x5419
 #define TIOCSSOFTCAR	0x541A