Add dummy bootblock for Exynos E5250

Look into the file to find out where to get the actual bootblock
for now. This is hopefully temporary to get the coreboot build process
in place and working.

Signed-off-by: Stefan Reinauer <reinauer@google.com>
Change-Id: I53987a0515b00af83f959468296b4c5929ba49df
diff --git a/cpu/samsung/exynos5250/E5250.nbl1.bin b/cpu/samsung/exynos5250/E5250.nbl1.bin
new file mode 100644
index 0000000..6634e8d
--- /dev/null
+++ b/cpu/samsung/exynos5250/E5250.nbl1.bin
Binary files differ