arm: atmel: sama5d3: the offset of MULA is 18

The offset of MULA field in PLLA register in sama5d3 is 18,
and the length only 7 bits.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h
index 90a871c..4535608 100644
--- a/arch/arm/include/asm/arch-at91/at91_pmc.h
+++ b/arch/arm/include/asm/arch-at91/at91_pmc.h
@@ -75,7 +75,11 @@
 #define AT91_PMC_PLLXR_DIV(x)		(x & 0xFF)
 #define AT91_PMC_PLLXR_PLLCOUNT(x)	((x & 0x3F) << 8)
 #define AT91_PMC_PLLXR_OUT(x)		((x & 0x03) << 14)
+#ifdef CONFIG_SAMA5D3
+#define AT91_PMC_PLLXR_MUL(x)		((x & 0x7F) << 18)
+#else
 #define AT91_PMC_PLLXR_MUL(x)		((x & 0x7FF) << 16)
+#endif
 #define AT91_PMC_PLLAR_29		0x20000000
 #define AT91_PMC_PLLBR_USBDIV_1		0x00000000
 #define AT91_PMC_PLLBR_USBDIV_2		0x10000000