efi_selftest: provide unit test for event services

This unit test uses timer events to check the implementation
of the following boottime services:
CreateEvent, CloseEvent, WaitForEvent, CheckEvent, SetTimer

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 34f5ff1..a71c8bf 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -11,7 +11,10 @@
 CFLAGS_REMOVE_efi_selftest.o := $(CFLAGS_NON_EFI)
 CFLAGS_efi_selftest_console.o := $(CFLAGS_EFI)
 CFLAGS_REMOVE_efi_selftest_console.o := $(CFLAGS_NON_EFI)
+CFLAGS_efi_selftest_events.o := $(CFLAGS_EFI)
+CFLAGS_REMOVE_efi_selftest_events.o := $(CFLAGS_NON_EFI)
 
 obj-$(CONFIG_CMD_BOOTEFI_SELFTEST) += \
 efi_selftest.o \
-efi_selftest_console.o
+efi_selftest_console.o \
+efi_selftest_events.o