sh: Add arch_flags to struct clk

Add arch_flags to struct clk so we can keep per-clock private data
somewhere and share code between multiple clocks.

Signed-off-by: Magnus Damm <[e-mail]>
Signed-off-by: Paul Mundt <[e-mail]>

include/asm-sh/clock.h

···
 
 	unsigned long		rate;
 	unsigned long		flags;
+	unsigned long		arch_flags;
 };
 
 #define CLK_ALWAYS_ENABLED	(1 << 0)