arcv: Remove hardcoded ABI and ARCH flags.

By removing the hardcoded `-mabi=ilp32` and
`-march=rv32im_zba_zbb_zbs_zca_zcb_zcmp_zicsr` options from the semihost
compiler flags, the compiler will now use its default ABI and
architecture settings unless specified elsewhere. This resolves the
problem where these hardcoded values were overriding the specific ABI
and architecture options required by certain tests.

Signed-off-by: Luis Silva <[email protected]>

Author: luismgsilva

dejagnu/arc-common.exp

@@ -57,7 +57,6 @@ proc arc_get_cflags {} {
                 lappend cflags --specs=hl.specs
             } elseif {[board_info $board arc,hostlink] == "semihost"} {
                 lappend cflags --specs=semihost.specs --specs=arcv.specs \
-                    -mabi=ilp32 -march=rv32im_zba_zbb_zbs_zca_zcb_zcmp_zicsr \
                     -T arcv.ld
             } else {
                 lappend cflags --specs=nosys.specs