[ARM] pxa/cm-x300: use STUART for uncompressor

Signed-off-by: NMike Rapoport <mike@compulab.co.il>
Signed-off-by: NEric Miao <eric.miao@marvell.com>

arch/arm/mach-pxa/include/mach/uncompress.h

@@ -36,7 +36,8 @@ static inline void flush(void)
 static inline void arch_decomp_setup(void)
 {
 	if (machine_is_littleton() || machine_is_intelmote2()
-	    || machine_is_csb726() || machine_is_stargate2())
+	    || machine_is_csb726() || machine_is_stargate2()
+	    || machine_is_cm_x300())
 		UART = STUART;
 }