pics: Update the photo of the SHA1 engine

Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
diff --git a/pics/sha1.png b/pics/sha1.png
index 46dce12..f8441f2 100644
--- a/pics/sha1.png
+++ b/pics/sha1.png
Binary files differ