docs: add arch doc directories to the index

Documentation

arm

index.rst

arm64

index.rst

ia64

index.rst

m68k

index.rst

riscv

index.rst

s390

index.rst

sparc

index.rst

xtensa

index.rst

-2

Documentation/arm/index.rst

··· 1 - :orphan: 2 - 3 1 ================ 4 2 ARM Architecture 5 3 ================

-2

Documentation/arm64/index.rst

··· 1 - :orphan: 2 - 3 1 ================== 4 2 ARM64 Architecture 5 3 ==================

-2

Documentation/ia64/index.rst

··· 1 - :orphan: 2 - 3 1 ================== 4 2 IA-64 Architecture 5 3 ==================

Documentation/index.rst

··· 117 117 :maxdepth: 2 118 118 119 119 sh/index 120 + arm/index 121 + arm64/index 122 + ia64/index 123 + m68k/index 124 + riscv/index 125 + s390/index 126 + sh/index 127 + sparc/index 120 128 x86/index 129 + xtensa/index 121 130 122 131 Filesystem Documentation 123 132 ------------------------

+1 -1

Documentation/m68k/index.rst

··· 1 - :orphan: 1 + .. SPDX-License-Identifier: GPL-2.0 2 2 3 3 ================= 4 4 m68k Architecture

-2

Documentation/riscv/index.rst

··· 1 - :orphan: 2 - 3 1 =================== 4 2 RISC-V architecture 5 3 ===================

-2

Documentation/s390/index.rst

··· 1 - :orphan: 2 - 3 1 ================= 4 2 s390 Architecture 5 3 =================

-2

Documentation/sparc/index.rst

··· 1 - :orphan: 2 - 3 1 ================== 4 2 Sparc Architecture 5 3 ==================

+1 -1

Documentation/xtensa/index.rst

··· 1 - :orphan: 1 + .. SPDX-License-Identifier: GPL-2.0 2 2 3 3 =================== 4 4 Xtensa Architecture