sysreset: enable driver support in SPL/TPL

SPL/TPL also need use sysreset for some feature like panic callback.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/mt7629_rfb_defconfig b/configs/mt7629_rfb_defconfig
index 01b952f..0dceafd 100644
--- a/configs/mt7629_rfb_defconfig
+++ b/configs/mt7629_rfb_defconfig
@@ -65,6 +65,7 @@
 CONFIG_DM_SPI=y
 CONFIG_MTK_QSPI=y
 CONFIG_SYSRESET=y
+CONFIG_SPL_SYSRESET=y
 CONFIG_SYSRESET_WATCHDOG=y
 CONFIG_TIMER=y
 CONFIG_SPL_TIMER=y