Input: pxa27x_keypad - rename the driver (was pxa27x_keyboard)

The controller should really be called keypad, and also align
the naming of functions and structures to use "pxa27x_keypad"
as prefix, instead of "pxakbd".

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/asm-arm/arch-pxa/pxa27x_keyboard.h b/include/asm-arm/arch-pxa/pxa27x_keypad.h
similarity index 84%
rename from include/asm-arm/arch-pxa/pxa27x_keyboard.h
rename to include/asm-arm/arch-pxa/pxa27x_keypad.h
index 3aaff92..f19f74a 100644
--- a/include/asm-arm/arch-pxa/pxa27x_keyboard.h
+++ b/include/asm-arm/arch-pxa/pxa27x_keypad.h
@@ -1,7 +1,7 @@
 #define PXAKBD_MAXROW		8
 #define PXAKBD_MAXCOL		8
 
-struct pxa27x_keyboard_platform_data {
+struct pxa27x_keypad_platform_data {
 	int nr_rows, nr_cols;
 	int keycodes[PXAKBD_MAXROW][PXAKBD_MAXCOL];
 	int gpio_modes[PXAKBD_MAXROW + PXAKBD_MAXCOL];