This patch encloses sam9n12 old clk registration in
"#if defined(CONFIG_OLD_CLK_AT91) #endif" sections.
Signed-off-by: NBoris BREZILLON <boris.brezillon@free-electrons.com>
Tested-by: NBo Shen <voice.shen@atmel.com>
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>