ARM: davinci: cp-intc: use readl/writel_relaxed()

Replace all calls to __raw_readl() & __raw_writel() with readl_relaxed()
and writel_relaxed() respectively. It's safe to do as there's no
endianness conversion being done in the code.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/mach-davinci/cp_intc.c

@@ -45,13 +45,13 @@ static struct irq_domain *davinci_cp_intc_irq_domain;
 
 static inline unsigned int davinci_cp_intc_read(unsigned int offset)
 {
-	return __raw_readl(davinci_cp_intc_base + offset);
+	return readl_relaxed(davinci_cp_intc_base + offset);
 }
 
 static inline void davinci_cp_intc_write(unsigned long value,
 					 unsigned int offset)
 {
-	__raw_writel(value, davinci_cp_intc_base + offset);
+	writel_relaxed(value, davinci_cp_intc_base + offset);
 }
 
 static void davinci_cp_intc_ack_irq(struct irq_data *d)