This patch introduces common.[ch] which are used only in the
arch/arm/mach-exynos/ directory. The common.c file merges
the cpu.c, init.c, irq-combiner.c and irq-eint.c files which
are used commonly on EXYNOS SoCs and the common.h file replaces
with plat/exynos4.h file.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

The arch/arm/mach-exynos4 directory (CONFIG_ARCH_EXYNOS4) has
made for plaforms based on EXYNOS4 SoCs. But since upcoming
Samsung's SoCs such as EXYNOS5 (ARM Cortex A15) can reuse most
codes in current mach-exynos4, one mach-exynos directory will
be used for them.

This patch changes to CONFIG_ARCH_EXYNOS (arch/arm/mach-exynos)
but keeps original CONFIG_ARCH_EXYNOS4 in mach-exynos/Kconfig to
avoid changing in driver side.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch moves regarding clock stuff of PM into clock
file to support PM on EXYNOS4210 and EXYNOS4212 with one
single kernel image. Because some clock registers are
different on each SoCs.
Signed-off-by: NJonghwan Choi <jhbird.choi@samsung.com>
[kgene.kim@samsung.com: use CONFIG_PM_SLEEP instead of CONFIG_PM]
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

This patch splits EXYNOS4 clock code to EXYNOS4 common,
EXYNOS4210 and EXYNOS4212 for supporting new EXYNOS4212
SoC with one kernel image. Of course, this patch adds
some clock codes for EXYNOS4212 SoC.
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>