spi/amba-pl022: fixing compilation warning.

clk_freq is used uninitialized in pl022_setup routine. This patch
fix compilation warning for using uninitialized variable

Signed-off-by: Viresh Kumar <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
1 file changed