S4D: copy bin form keys directory of s905w2.

Change-Id: Idf56585f65974dc8c4eeea65a46ca4b027f4631c
diff --git a/s4/s905w2/bb1st.bin b/s4/s905w2/bb1st.bin
index ca221b9..eb30884 100755
--- a/s4/s905w2/bb1st.bin
+++ b/s4/s905w2/bb1st.bin
Binary files differ
diff --git a/s4/s905w2/device-fip-header.bin b/s4/s905w2/device-fip-header.bin
index 1821bd4..a280590 100755
--- a/s4/s905w2/device-fip-header.bin
+++ b/s4/s905w2/device-fip-header.bin
Binary files differ