[PATCH] efi: Fix Kconfig dependency for EFI_TCG2_PROTOCOL

[Michal Simek]

When EFI_TCG2_PROTOCOL is selected there is unwritten dependency on sha384
and sha512.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: lib/built-in.o: in function `tcg2_create_digest':
/mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:546: undefined reference to `sha384_starts'
/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: /mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:547: undefined reference to `sha384_update'
/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: /mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:548: undefined reference to `sha384_finish'
/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: /mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:552: undefined reference to `sha512_starts'
/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: /mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:553: undefined reference to `sha512_update'
/opt/Xilinx/Vitis/2020.2/gnu/aarch64/lin/aarch64-linux/bin/../x86_64-petalinux-linux/usr/bin/aarch64-xilinx-linux/aarch64-xilinx-linux-ld.bfd.real: /mnt/disk/u-boot/lib/efi_loader/efi_tcg2.c:554: undefined reference to `sha512_finish'

---
 lib/efi_loader/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig
index e44f004f3f8d..2b522c9151ad 100644
--- a/lib/efi_loader/Kconfig
+++ b/lib/efi_loader/Kconfig
@@ -300,6 +300,8 @@ config EFI_RNG_PROTOCOL
 config EFI_TCG2_PROTOCOL
 	bool "EFI_TCG2_PROTOCOL support"
 	depends on TPM_V2
+	select SHA512
+	select SHA384
 	help
 	  Provide a EFI_TCG2_PROTOCOL implementation using the TPM hardware
 	  of the platform.
-- 
2.31.0