The NetBSD-current/i386 build is working again. The following commits were made between the last failed build and the successful build:
2022.07.02.04.37.15 skrll src/sys/external/bsd/drm2/include/drm/drm_gem_cma_helper.h,v 1.4 Logs can be found at: http://releng.NetBSD.org/b5reports/i386/commits-2022.07.html#2022.07.02.04.37.15