sunxi: Add clock_get_pll5p() function

This is a preparation patch for making the pll5 "p" divisor configurable
through Kconfig.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h
index 012c2af..c562f62 100644
--- a/arch/arm/include/asm/arch-sunxi/clock.h
+++ b/arch/arm/include/asm/arch-sunxi/clock.h
@@ -25,6 +25,7 @@
 int clock_init(void);
 int clock_twi_onoff(int port, int state);
 void clock_set_pll1(unsigned int hz);
+unsigned int clock_get_pll5p(void);
 unsigned int clock_get_pll6(void);
 void clock_init_safe(void);
 void clock_init_uart(void);