Update to 4.0-rc4.
- Config changes:
- ppc/ppc64/ppc64le/armv7hl/arm64:
- OF_OVERLAY=y (no functional change, the option was introduced to
allow disabling of previously builtin behavior)
- CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT=m
- i386:
- OF_OVERLAY=n