m68k: defconfig: Update defconfigs for v6.3-rc1

  - Drop CONFIG_IP_NF_TARGET_CLUSTERIP=m (removed in commit
    9db5d918 ("netfilter: ip_tables: remove clusterip target")),
  - Enable modular build of the Kerberos V mechanism for Secure RPC
    (auto-builtin since commit dfe9a123 ("SUNRPC: Enable
    rpcsec_gss_krb5.ko to be built without CRYPTO_DES")),
  - Enable modular build of the new Dhrystone benchmark test,
  - Drop accidental enablement of CONFIG_PCCARD=y in multi_defconfig.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/2b6d1357f4cb7e23bb2c7a7d39c4486e77e138ad.1678106848.git.geert@linux-m68k.org