[ARM] pxa: make lubbock specific debugging stuffs back into lubbock.c

This isn't perfect but at least solves the problem of pm.c's dependency
on register definitions in <mach/lubbock.h>, which doesn't make much
sense.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 03a43ea..f04c833 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -49,6 +49,7 @@
 #include <mach/irda.h>
 #include <mach/pxafb.h>
 #include <mach/mmc.h>
+#include <mach/pm.h>
 
 #include "generic.h"
 #include "clock.h"
@@ -112,8 +113,14 @@
 	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 };
 
+#define LUB_HEXLED		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
 #define LUB_MISC_WR		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
 
+void lubbock_set_hexled(uint32_t value)
+{
+	LUB_HEXLED = value;
+}
+
 void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
 {
 	unsigned long flags;