qemu-riscv: Enable native code generation by default.

This turns on the native RV32IMC code generator for the QEMU-based
RISC-V port, and removes tests that relies on native code generation
from the exclusion list.

Signed-off-by: Alessandro Gatti <a.gatti@frob.it>

ports/qemu-riscv/mpconfigport.h

@@ -30,6 +30,7 @@
 
 #define MICROPY_CONFIG_ROM_LEVEL           (MICROPY_CONFIG_ROM_LEVEL_EXTRA_FEATURES)
 
+#define MICROPY_EMIT_RV32                  (1)
 #define MICROPY_MALLOC_USES_ALLOCATED_SIZE (1)
 #define MICROPY_MEM_STATS                  (1)
 #define MICROPY_ENABLE_GC                  (1)

ports/qemu-riscv/tests_profile.txt

@@ -1,53 +1,3 @@
 # Port-specific tests exclusion list.
 
-exclude_tests = exclude_tests.union(
-    (
-        # Native code generation is not yet supported.
-        "micropython/native_closure.py",
-        "micropython/native_const.py",
-        "micropython/native_const_intbig.py",
-        "micropython/native_for.py",
-        "micropython/native_fun_attrs.py",
-        "micropython/native_gen.py",
-        "micropython/native_misc.py",
-        "micropython/native_try.py",
-        "micropython/native_try_deep.py",
-        "micropython/native_while.py",
-        "micropython/native_with.py",
-
-        # Viper code generator is not yet supported.
-        "micropython/viper_addr.py",
-        "micropython/viper_args.py",
-        "micropython/viper_binop_arith.py",
-        "micropython/viper_binop_arith_uint.py",
-        "micropython/viper_binop_bitwise_uint.py",
-        "micropython/viper_binop_comp.py",
-        "micropython/viper_binop_comp_imm.py",
-        "micropython/viper_binop_comp_uint.py",
-        "micropython/viper_binop_divmod.py",
-        "micropython/viper_binop_multi_comp.py",
-        "micropython/viper_cond.py",
-        "micropython/viper_const.py",
-        "micropython/viper_const_intbig.py",
-        "micropython/viper_error.py",
-        "micropython/viper_globals.py",
-        "micropython/viper_import.py",
-        "micropython/viper_misc.py",
-        "micropython/viper_misc2.py",
-        "micropython/viper_misc3.py",
-        "micropython/viper_misc_intbig.py",
-        "micropython/viper_ptr16_load.py",
-        "micropython/viper_ptr16_store.py",
-        "micropython/viper_ptr32_load.py",
-        "micropython/viper_ptr32_store.py",
-        "micropython/viper_ptr8_load.py",
-        "micropython/viper_ptr8_store.py",
-        "micropython/viper_storeattr.py",
-        "micropython/viper_subscr.py",
-        "micropython/viper_subscr_multi.py",
-        "micropython/viper_try.py",
-        "micropython/viper_types.py",
-        "micropython/viper_unop.py",
-        "micropython/viper_with.py",
-    )
-)
+exclude_tests = exclude_tests.union(())