modula2: Increase linking test timeouts for slower targets

modula2: Increase linking test timeouts for slower targets

This patch introduces missing timeout handling for
pimlib-base-run-pass.exp and increases the timeout value
for larger projects which link (necessary for slower targets).

gcc/testsuite/ChangeLog:

	* gm2/coroutines/pim/run/pass/coroutines-pim-run-pass.exp:
	Add load_lib timeout-dg.exp and increase timeout to 60
	seconds.
	* gm2/pimlib/base/run/pass/pimlib-base-run-pass.exp: Add
	load_lib timeout-dg.exp and increase timeout to 60 seconds.
	* gm2/projects/iso/run/pass/halma/projects-iso-run-pass-halma.exp:
	Increase timeout to 45 seconds.
	* gm2/switches/whole-program/pass/run/switches-whole-program-pass-run.exp:
	Add load_lib timeout-dg.exp and increase timeout to 120 seconds.
	Remove unnecessary compile of mystrlib.mod.
	* gm2/iso/run/pass/iso-run-pass.exp: Add load_lib
	timeout-dg.exp and set timeout to 60 seconds.

Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>