arm: ep93xx: use soc bus

Use the soc bus to report the silicon revision and Maverick Key. Both are not currently exposed to the user. In addition, fill in the SoC family and machine for completeness.

---
v4: refresh to next-20130718
v3: use the full name for the family as suggested by Alexander Shiyan
v2: address some comments from Ryan Mallon

 arch/arm/mach-ep93xx/Kconfig                 |   1 +
 arch/arm/mach-ep93xx/core.c                  | 108 ++++++++++++++++++++++++++-
 arch/arm/mach-ep93xx/include/mach/platform.h |   3 +-
 3 files changed, 110 insertions(+), 2 deletions(-)

index fe3c1fa..91eee1d 100644
@@ -5,6 +5,7 @@ menu "Cirrus EP93xx Implementation Options"
 config EP93XX_SOC_COMMON
 	bool
 	default y
+	select SOC_BUS
 	select LEDS_GPIO_REGISTER
 
 config CRUNCH

index e256e0b..4c0bbd9 100644
@@ -6,6 +6,7 @@
 
 #include <linux/reboot.h>
 
+struct device;
 struct i2c_gpio_platform_data;
 struct i2c_board_info;
 struct spi_board_info;

@@ -54,7 +55,7 @@ void ep93xx_register_ide(void);
 int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
 void ep93xx_ide_release_gpio(struct platform_device *pdev);
 
-void ep93xx_init_devices(void);
+struct device *ep93xx_init_devices(void);
 extern void ep93xx_timer_init(void);
 
 void ep93xx_restart(enum reboot_mode, const char *);

1.8.3.2