Add 999.999.0.636 firmware-2.bin image

This image is identicaly to version 1.0.0.636, except
all three files are now in one FW API 2 image. Also
corrected the firmware version to use 999.999.0.636
name.
diff --git a/ath10k/QCA988X/hw2.0/firmware-2.bin b/ath10k/QCA988X/hw2.0/firmware-2.bin
new file mode 100644
index 0000000..069ee64
--- /dev/null
+++ b/ath10k/QCA988X/hw2.0/firmware-2.bin
Binary files differ