m68k: defconfig: Update defconfigs for v5.10-rc1

- Enable modular build of SM2 crypto algorithm,
  - Drop CONFIG_CRYPTO_SM3=m (auto-enabled by CONFIG_CRYPTO_SM2),
  - Drop CONFIG_TEST_BITFIELD=m (converted to KUnit in commit
    d2585f5164 ("lib: kunit: add bitfield test conversion to
    KUnit")),
  - Enable modular build of the freeing pages test module.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20201026122549.3092526-1-geert@linux-m68k.org

arch/m68k/configs/mac_defconfig

@@ -544,6 +544,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_SM2=m
 CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
@@ -564,7 +565,6 @@ CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_RMD256=m
 CONFIG_CRYPTO_RMD320=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
 CONFIG_CRYPTO_TGR192=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
@@ -619,7 +619,6 @@ CONFIG_TEST_STRSCPY=m
 CONFIG_TEST_KSTRTOX=m
 CONFIG_TEST_PRINTF=m
 CONFIG_TEST_BITMAP=m
-CONFIG_TEST_BITFIELD=m
 CONFIG_TEST_UUID=m
 CONFIG_TEST_XARRAY=m
 CONFIG_TEST_OVERFLOW=m
@@ -640,3 +639,4 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
+CONFIG_TEST_FREE_PAGES=m