ASoC: Remove unneeded e7x0 inclusion of pxa-regs.h and hardware.h

pxa-regs.h and hardware.h are not intended for use directly in driver
code and references to them have been removed in other code - remove
them from the newly added e740 and e750 machine drivers.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/pxa/e740_wm9705.c

@@ -18,8 +18,6 @@
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 
-#include <mach/pxa-regs.h>
-#include <mach/hardware.h>
 #include <mach/audio.h>
 #include <mach/eseries-gpio.h>
 

sound/soc/pxa/e750_wm9705.c

@@ -18,8 +18,6 @@
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
 
-#include <mach/pxa-regs.h>
-#include <mach/hardware.h>
 #include <mach/audio.h>
 #include <mach/eseries-gpio.h>