arm-trusted-firmware-mvebu: bump a3700-utils to current version

arm-trusted-firmware-mvebu: bump a3700-utils to current version

1d97715 wtmi: Discard ELF symbols from firmware binary
2d2a21c wtmi: Allow access to the 43th OTP row
e733e9f Fix boot from SATA build
4392eaf wtmi: Fix sending status code of cmd execution
14b3c61 Wtpdownloader: Remove out-of-dated x86-64 ELF binary WtpDownload_linux
e345b95 Wtpdownloader: Fix setting tty c_cflag options
0c502d5 Wtpdownloader: Call HandlePendingMessages() after Port->WtpCmd is freed
d91761a Wtpdownloader: Fix memory leaks
bc11d18 Wtpdownloader: Check for number of read bytes prior touching read buffer
58db335 Wtpdownloader: Add missing check in SendContinuousForceConsoleMode() if byte was really read
a4029c0 Wtpdownloader: Fix 32/64-bit host detection
3679034 Wtpdownloader: Print missing newline at the end of output

Signed-off-by: Andre Heider <a.heider@gmail.com>