arm64: zynqmp: Enable sha1sum command

Enable it for TPM usage.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_virt_defconfig b/configs/xilinx_zynqmp_virt_defconfig
index b0f569f..ea65563 100644
--- a/configs/xilinx_zynqmp_virt_defconfig
+++ b/configs/xilinx_zynqmp_virt_defconfig
@@ -38,6 +38,7 @@
 CONFIG_CMD_NVEDIT_EFI=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_SYS_ALT_MEMTEST=y
+CONFIG_CMD_SHA1SUM=y
 CONFIG_CMD_BIND=y
 CONFIG_CMD_CLK=y
 CONFIG_CMD_DFU=y