configs: at91: Enable SYSRESET for Atmel/Microchip's platforms

This commit enables SYSRESET in the defconfigs for the
Atmel/Microchip platforms.

Signed-off-by: Sergiu Moga <sergiu.moga@microchip.com>
diff --git a/configs/sama7g5ek_mmc_defconfig b/configs/sama7g5ek_mmc_defconfig
index 9d4da95..2e5e78e 100644
--- a/configs/sama7g5ek_mmc_defconfig
+++ b/configs/sama7g5ek_mmc_defconfig
@@ -71,6 +71,9 @@
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
 CONFIG_TIMER=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_CMD_RESET=y
+CONFIG_SYSRESET_AT91=y
 CONFIG_MCHP_PIT64B_TIMER=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 # CONFIG_EFI_LOADER_HII is not set