board: pm926x: remove unused CONFIG_SYS_AT91_CPU_NAME

CONFIG_SYS_AT91_CPU_NAME looks to be unused.
Remove it and remove it from config_whitelist.txt
Signed-off-by: NEugen Hristev <eugen.hristev@microchip.com>

include/configs/pm9261.h

@@ -25,8 +25,6 @@
 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000
 
-#define CONFIG_SYS_AT91_CPU_NAME	"AT91SAM9261"
-
 /* clocks */
 /* CKGR_MOR - enable main osc. */
 #define CONFIG_SYS_MOR_VAL						\

include/configs/pm9263.h

@@ -25,8 +25,6 @@
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000
 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
 
-#define CONFIG_SYS_AT91_CPU_NAME	"AT91SAM9263"
-
 /* clocks */
 #define CONFIG_SYS_MOR_VAL						\
 		(AT91_PMC_MOR_MOSCEN |					\

scripts/config_whitelist.txt

@@ -1328,7 +1328,6 @@ CONFIG_SYS_AMASK4
 CONFIG_SYS_AMASK5
 CONFIG_SYS_AMASK6
 CONFIG_SYS_AMASK7
-CONFIG_SYS_AT91_CPU_NAME
 CONFIG_SYS_AT91_MAIN_CLOCK
 CONFIG_SYS_AT91_PLLA
 CONFIG_SYS_AT91_PLLB