spl: add initial support for a generic SPL framework

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
diff --git a/spl/.gitignore b/spl/.gitignore
new file mode 100644
index 0000000..7c88147
--- /dev/null
+++ b/spl/.gitignore
@@ -0,0 +1,4 @@
+u-boot-spl
+u-boot-spl.bin
+u-boot-spl.lds
+u-boot-spl.map