[ARM] 3547/1: PXA-OHCI: Allow platforms to specify a power budget

Patch from Richard Purdie

Add a power budget variable to the PXA OHCI platform data and add a
default value for the spitz platform(s) which prevents known failures
with certain USB devices.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/arch-pxa/ohci.h

@@ -11,6 +11,8 @@ struct pxaohci_platform_data {
 #define PMM_NPS_MODE           1
 #define PMM_GLOBAL_MODE        2
 #define PMM_PERPORT_MODE       3
+
+	int power_budget;
 };
 
 extern void pxa_set_ohci_info(struct pxaohci_platform_data *info);