* guix/git/mes.scm (m2-planet): Update to 1fc2aeab483208bd2ba117b21df3894c182470ec. * lib/m2/x86/x86_defs.M1: Update from M2-Planet.
* .gitignore: Update. * lib/linux/x86-mes-m2/crt1.M1: New file. * lib/linux/x86-mes-m2/crt1.c: New file. * lib/m2/x86/x86_defs.M1: New file. Import from stage0. * scaffold/main.c: Update for M2-Planet.