ARM: bcm2835: Move to mach-bcm directory

Move the bcm2835 board file into the mach-bcm directory. This allows us
to get rid of the mach-bcm2835 directory with the associated Kconfig
and Makefile.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
[swarren, adjust defconfig so ARCH_BCM2835 still gets enabled]
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>

diff --cc MAINTAINERS
Simple merge

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm/Makefile
Simple merge

diff --cc arch/arm/configs/bcm2835_defconfig
Simple merge

diff --cc arch/arm/mach-bcm/Kconfig
Simple merge

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

diff --cc arch/arm/mach-bcm/board_bcm2835.c
Simple merge

diff --cc arch/arm/mach-bcm2835/Kconfig
Simple merge

diff --cc arch/arm/mach-bcm2835/Makefile
Simple merge