ARM: pxa: separate the clock support into clock-{pxa2xx,pxa3xx}.c

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

diff --cc arch/arm/mach-pxa/Makefile
Simple merge

diff --cc arch/arm/mach-pxa/clock-pxa2xx.c
Simple merge

diff --cc arch/arm/mach-pxa/clock-pxa3xx.c
Simple merge

diff --cc arch/arm/mach-pxa/clock.c
Simple merge

diff --cc arch/arm/mach-pxa/clock.h
Simple merge

diff --cc arch/arm/mach-pxa/pxa25x.c
Simple merge

diff --cc arch/arm/mach-pxa/pxa27x.c
Simple merge

diff --cc arch/arm/mach-pxa/pxa3xx.c
Simple merge