clk: core: remove powerpc special handling

Now that the powerpc clocks are properly marked as big endian, we can
remove the special handling for PowerPC.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

include/linux/clk-provider.h

@@ -1018,20 +1018,6 @@ static inline int of_clk_detect_critical(struct device_node *np, int index,
  * for improved portability across platforms
  */
 
-#if IS_ENABLED(CONFIG_PPC)
-
-static inline u32 clk_readl(u32 __iomem *reg)
-{
-	return ioread32be(reg);
-}
-
-static inline void clk_writel(u32 val, u32 __iomem *reg)
-{
-	iowrite32be(val, reg);
-}
-
-#else	/* platform dependent I/O accessors */
-
 static inline u32 clk_readl(u32 __iomem *reg)
 {
 	return readl(reg);
@@ -1042,8 +1028,6 @@ static inline void clk_writel(u32 val, u32 __iomem *reg)
 	writel(val, reg);
 }
 
-#endif	/* platform dependent I/O accessors */
-
 void clk_gate_restore_context(struct clk_hw *hw);
 
 #endif /* CONFIG_COMMON_CLK */