ARM: dts: msm: Program 5 GSI based HW accelerated EPs for SA515 USB EP

Increase the number of HW accelerated EPs to 5 for sa515 USB
interconnect to support telematics compositions having multiple
tethering interfaces.

Change-Id: I2a13583edaf8aa793a7eb08508880819d278f234
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>