sh: Add an arch/sh/kernel/.gitignore

Ignore vmlinux.lds.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/.gitignore b/arch/sh/kernel/.gitignore
new file mode 100644
index 0000000..c5f676c
--- /dev/null
+++ b/arch/sh/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds