powerpc: Fix xmon disassembler for little-endian

This patch fixes the disassembler of the powerpc kernel debugger xmon,
for little-endian.

Signed-off-by: Philippe Bergheaud <[e-mail]>
Signed-off-by: Benjamin Herrenschmidt <[e-mail]>

arch/powerpc/xmon/xmon.c

···
 #define REG		"%.8lx"
 #endif
 
+#ifdef __LITTLE_ENDIAN__
+#define GETWORD(v)	(((v)[3] << 24) + ((v)[2] << 16) + ((v)[1] << 8) + (v)[0])
+#else
 #define GETWORD(v)	(((v)[0] << 24) + ((v)[1] << 16) + ((v)[2] << 8) + (v)[3])
+#endif
 
 #define isxdigit(c)	(('0' <= (c) && (c) <= '9') \
 			 || ('a' <= (c) && (c) <= 'f') \