OMAP1: Amstrad Delta: use FIQ for processing GPIO interrupts

The patch adds initialization of FIQ related handlers to the Amstrad Delta
videophone board code. FIQ will be used instead of a traditional IRQ for
processing all GPIO generated interrupts, including a keyboard serial clock
line.

Signed-off-by: Janusz Krzysztofik <[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/mach-omap1/board-ams-delta.c

···
 #include <plat/board.h>
 #include <plat/common.h>
 
+#include <mach/ams-delta-fiq.h>
+
 static u8 ams_delta_latch1_reg;
 static u16 ams_delta_latch2_reg;
 
···
 
 	omap_usb_init(&ams_delta_usb_config);
 	platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
+
+#ifdef CONFIG_AMS_DELTA_FIQ
+	ams_delta_init_fiq();
+#endif
 
 	omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 }