efi_selftest: block device test requires CONFIG_DOS_PARTITION

Do not execute the block device test if CONFIG_DOS_PARTITION=n.

Imply CONFIG_DOS_PARTITION in Kconfig.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_selftest/Kconfig b/lib/efi_selftest/Kconfig
index 4781403..ca62436 100644
--- a/lib/efi_selftest/Kconfig
+++ b/lib/efi_selftest/Kconfig
@@ -1,6 +1,8 @@
 config CMD_BOOTEFI_SELFTEST
 	bool "UEFI unit tests"
 	depends on CMD_BOOTEFI
+	imply PARTITIONS
+	imply DOS_PARTITION
 	imply FAT
 	imply FAT_WRITE
 	imply CMD_POWEROFF if PSCI_RESET || SYSRESET_PSCI