Fix for bug 2283 (RVCT 4.0 support is missing from PDK 3.0.h)
Have multiple extension sections in the bld.inf, one for each version
of the compiler. The RVCT version building the tools will build the
runtime libraries for its version, but make sure we extract all the other
versions from zip archives. Also add the archive for RVCT4.
EXPORTS
_ZN14RUsbOtgSession12NotifyChangeERiR14TRequestStatus @ 1 NONAME
_ZN14RUsbOtgSession14DeviceInsertedEv @ 2 NONAME
_ZN14RUsbOtgSession18NotifyChangeCancelEv @ 3 NONAME
_ZN14RUsbOtgSession7BusDropEv @ 4 NONAME
_ZN14RUsbOtgSession7ConnectEv @ 5 NONAME
_ZN14RUsbOtgSessionC1Ei @ 6 NONAME
_ZN14RUsbOtgSessionC1Ev @ 7 NONAME
_ZN14RUsbOtgSessionC2Ei @ 8 NONAME
_ZN14RUsbOtgSessionC2Ev @ 9 NONAME
_ZN15RUsbHostSession5StartEv @ 10 NONAME
_ZN15RUsbHostSession7ConnectEv @ 11 NONAME
_ZN15RUsbHostSessionC1Ev @ 12 NONAME
_ZN15RUsbHostSessionC2Ev @ 13 NONAME