arch: riscv: Increase default CONFIG_TEST_EXTRA_STACKSIZE for 32-bit

Increases the default CONFIG_TEST_EXTRA_STACKSIZE for the 32-bit RISC-V
architecture. This fixes the portability.posix.fs test on the
qemu_riscv32 platform.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
1 file changed