ARM: PXA: fix up decompressor code

The earlier removal of two boards caused a build regression,
fix it by removing the extraneous '||'.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 28f74201 ("ARM: pxa: remove Intel Imote2 and Stargate 2 boards")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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

@@ -59,7 +59,7 @@ static inline void arch_decomp_setup(void)
 	uart_is_pxa = 1;
 
 	if (machine_is_littleton() ||  machine_is_csb726() ||
-	    || machine_is_cm_x300() || machine_is_balloon3())
+	    machine_is_cm_x300() || machine_is_balloon3())
 		uart_base = STUART_BASE;
 
 	if (machine_is_arcom_zeus()) {