S4: add S905Y4R chipset template

Change-Id: I9a80529e93425eddb88bede74e24fd9ae5ec80cb
Signed-off-by: Zhongfu Luo <zhongfu.luo@amlogic.com>
diff --git a/s4/s905y4r/bb1st.bin b/s4/s905y4r/bb1st.bin
new file mode 100644
index 0000000..e572b55
--- /dev/null
+++ b/s4/s905y4r/bb1st.bin
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diff --git a/s4/s905y4r/device-fip-header.bin b/s4/s905y4r/device-fip-header.bin
new file mode 100644
index 0000000..fa4720f
--- /dev/null
+++ b/s4/s905y4r/device-fip-header.bin
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