arm: at91: pm9261: remove undefined bit in mckr

The PLLADIV2 bit is not defined in at91sam9261 SoC, so remove it.

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/include/configs/pm9261.h b/include/configs/pm9261.h
index fc95cf0..acf6d61 100644
--- a/include/configs/pm9261.h
+++ b/include/configs/pm9261.h
@@ -50,15 +50,13 @@
 #define	CONFIG_SYS_MCKR1_VAL		\
 		(AT91_PMC_MCKR_CSS_SLOW |	\
 		 AT91_PMC_MCKR_PRES_1 |	\
-		 AT91_PMC_MCKR_MDIV_2 |	\
-		 AT91_PMC_MCKR_PLLADIV_1)
+		 AT91_PMC_MCKR_MDIV_2)
 
 /* PCK/2 = MCK Master Clock from PLLA */
 #define	CONFIG_SYS_MCKR2_VAL		\
 		(AT91_PMC_MCKR_CSS_PLLA |	\
 		 AT91_PMC_MCKR_PRES_1 |	\
-		 AT91_PMC_MCKR_MDIV_2 |	\
-		 AT91_PMC_MCKR_PLLADIV_1)
+		 AT91_PMC_MCKR_MDIV_2)
 
 /* define PDC[31:16] as DATA[31:16] */
 #define CONFIG_SYS_PIOC_PDR_VAL1	0xFFFF0000