x86/mrst: Add additional debug prints for pb_keys

Added additional debug output that we always seem to add
during power ons to validate firmware operation.

Signed-off-by: Michael Demeter <michael.demeter@intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Link: http://lkml.kernel.org/r/20111215223116.10166.50803.stgit@bob.linux.org.uk
[ fixed line breaks, formatting and commit title. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/platform/mrst/mrst.c

@@ -983,6 +983,7 @@ static int __init pb_keys_init(void)
 	num = sizeof(gpio_button) / sizeof(struct gpio_keys_button);
 	for (i = 0; i < num; i++) {
 		gb[i].gpio = get_gpio_by_name(gb[i].desc);
+		pr_debug("info[%2d]: name = %s, gpio = %d\n", i, gb[i].desc, gb[i].gpio);
 		if (gb[i].gpio == -1)
 			continue;