PCMCIA: soc_common: convert to a stand alone module

Convert soc_common.c to be a stand alone module, rather than wrapping
it up into the individual SoC specific base modules.  In doing this,
we need to add init/exit functions for soc_common to register/remove
the cpufreq notifier.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 0c44ddd..f3ccbcc 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -178,9 +178,13 @@
 	tristate "bcm63xx pcmcia support"
 	depends on BCM63XX && PCMCIA
 
+config PCMCIA_SOC_COMMON
+	bool
+
 config PCMCIA_SA1100
 	tristate "SA1100 support"
 	depends on ARM && ARCH_SA1100 && PCMCIA
+	select PCMCIA_SOC_COMMON
 	help
 	  Say Y here to include support for SA11x0-based PCMCIA or CF
 	  sockets, found on HP iPAQs, Yopy, and other StrongARM(R)/
@@ -191,6 +195,7 @@
 config PCMCIA_SA1111
 	tristate "SA1111 support"
 	depends on ARM && ARCH_SA1100 && SA1111 && PCMCIA
+	select PCMCIA_SOC_COMMON
 	help
 	  Say Y  here to include support for SA1111-based PCMCIA or CF
 	  sockets, found on the Jornada 720, Graphicsmaster and other
@@ -204,6 +209,7 @@
 	depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
 		    || MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
 		    || ARCH_VIPER || ARCH_PXA_ESERIES || MACH_STARGATE2)
+	select PCMCIA_SOC_COMMON
 	help
 	  Say Y here to include support for the PXA2xx PCMCIA controller