cross/gcc-*, cross/gcc6-*: regenerate [skip ci]

cross/gcc-aarch64/APKBUILD

cross/gcc-armhf/APKBUILD

cross/gcc-x86_64/APKBUILD

...001-i386-Move-struct-ix86_frame-to-machine_function.patch

...386-Use-reference-of-struct-ix86_frame-to-avoid-cop.patch

...386-Use-const-reference-of-struct-ix86_frame-to-avo.patch

cross/gcc6-aarch64/0004-x86-Add-mindirect-branch.patch

cross/gcc6-aarch64/0005-x86-Add-mfunction-return.patch

...gcc6-aarch64/0006-x86-Add-mindirect-branch-register.patch

...c6-aarch64/0007-x86-Add-V-register-operand-modifier.patch

...86-Disallow-mindirect-branch-mfunction-return-with-.patch

...009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch

...i386-Pass-INVALID_REGNUM-as-invalid-register-number.patch

...11-i386-Update-mfunction-return-for-return-with-pop.patch

...rch64/0012-i386-Add-TARGET_INDIRECT_BRANCH_REGISTER.patch

...i386-Don-t-generate-alias-for-function-return-thunk.patch

cross/gcc6-aarch64/001_all_default-ssp-strong.patch

cross/gcc6-aarch64/002_all_default-relro.patch

cross/gcc6-aarch64/003_all_default-fortify-source.patch

cross/gcc6-aarch64/005_all_default-as-needed.patch