lib: gitignore *.elf and *.so generated by efi_loader

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>

lib/efi_loader/.gitignore

diff --git a/lib/efi_loader/.gitignore b/lib/efi_loader/.gitignore
new file mode 100644
index 0000000..634a600
--- /dev/null
+++ b/lib/efi_loader/.gitignore
@@ -0,0 +1,2 @@
+*.efi
+*.so