at91_pmc_init() doesn't do much anymore, merge it in atmel_pmc_probe().
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: NStephen Boyd <sboyd@codeaurora.org>