ARM: at91: Remove rstc and shdwc headers

These headers used to provide an "API" to access the rstc and shdwc registers.
Now that no-one uses this API anymore, we can safely remove those.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --cc arch/arm/mach-at91/at91_rstc.h
Simple merge

diff --cc arch/arm/mach-at91/at91_shdwc.h
Simple merge

diff --cc arch/arm/mach-at91/at91sam9260.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9261.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9263.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9rl.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9260ek.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9261ek.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9263ek.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9m10g45ek.c
Simple merge

diff --cc arch/arm/mach-at91/board-sam9rlek.c
Simple merge

diff --cc arch/arm/mach-at91/setup.c
Simple merge