clk: at91: add at91sam9rl PMC driver

Add a driver for the PMC clocks of the at91sam9rl SoC.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Make i signed to fix signedness bug]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2 files changed