configs: ks2_evm: enable misc_init_r

Currently keystone has misc_init_r where all DSPS are turned off
by default. So enable this function.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>

include/configs/ks2_evm.h

@@ -214,6 +214,7 @@
 
 /* U-Boot general configuration */
 #define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_MISC_INIT_R
 #define CONFIG_SYS_CBSIZE		1024
 #define CONFIG_SYS_PBSIZE		2048
 #define CONFIG_SYS_MAXARGS		16