Convert CONFIG_SYS_MPC85XX_NO_RESETVEC to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_MPC85XX_NO_RESETVEC

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/P1010RDB-PB_NOR_defconfig b/configs/P1010RDB-PB_NOR_defconfig
index 48a71d5..5861409 100644
--- a/configs/P1010RDB-PB_NOR_defconfig
+++ b/configs/P1010RDB-PB_NOR_defconfig
@@ -8,6 +8,7 @@
 CONFIG_MPC85xx=y
 CONFIG_TARGET_P1010RDB_PB=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
+CONFIG_SYS_MPC85XX_NO_RESETVEC=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y