[ARM] 4476/1: EM7210/SS4000E support

This patch adds the basic support for the em7210 board. It is similar to
the iq31244 board and can be found on Intel "Baxter Creek" ss4000e nas.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-iop32x/irq.c

@@ -63,7 +63,8 @@ void __init iop32x_init_irq(void)
 	if (machine_is_glantank() ||
 	    machine_is_iq80321() ||
 	    machine_is_iq31244() ||
-	    machine_is_n2100())
+	    machine_is_n2100() ||
+	    machine_is_em7210())
 		*IOP3XX_PCIIRSR = 0x0f;
 
 	for (i = 0; i < NR_IRQS; i++) {