S4D: add s4d s905c3nma bl40 signed binary

Change-Id: I08d83b50ea9e84c66b38cda95b575029ad2f183d
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
diff --git a/s4/s905c3nma/blob-bl40.bin.signed b/s4/s905c3nma/blob-bl40.bin.signed
new file mode 100644
index 0000000..69255b6
--- /dev/null
+++ b/s4/s905c3nma/blob-bl40.bin.signed
Binary files differ