docs: move loongarch under arch

and fix all in-tree references.

Architecture-specific documentation is being moved into Documentation/arch/
as a way of cleaning up the top-level documentation directory and making
the docs hierarchy more closely match the source hierarchy.

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230717192456.453124-1-costa.shul@redhat.com

Author: makelinux

Documentation/arch/index.rst

@@ -13,7 +13,7 @@ implementation.
    arm/index
    arm64/index
    ia64/index
-   ../loongarch/index
+   loongarch/index
    m68k/index
    ../mips/index
    nios2/index

Documentation/loongarch/booting.rst renamed to Documentation/arch/loongarch/booting.rst

@@ -13,7 +13,7 @@
    ../riscv/index
    openrisc/index
    parisc/index
-   ../loongarch/index
+   loongarch/index
 
 TODOList:
 

Documentation/loongarch/features.rst renamed to Documentation/arch/loongarch/features.rst

@@ -1,8 +1,8 @@
 .. SPDX-License-Identifier: GPL-2.0
 
-.. include:: ../disclaimer-zh_CN.rst
+.. include:: ../../disclaimer-zh_CN.rst
 
-:Original: Documentation/loongarch/booting.rst
+:Original: Documentation/arch/loongarch/booting.rst
 
 :翻译:
 

Documentation/loongarch/index.rst renamed to Documentation/arch/loongarch/index.rst

@@ -1,8 +1,8 @@
 .. SPDX-License-Identifier: GPL-2.0
 
-.. include:: ../disclaimer-zh_CN.rst
+.. include:: ../../disclaimer-zh_CN.rst
 
-:Original: Documentation/loongarch/features.rst
+:Original: Documentation/arch/loongarch/features.rst
 :Translator: Huacai Chen <chenhuacai@loongson.cn>
 
 .. kernel-feat:: $srctree/Documentation/features loongarch

Documentation/loongarch/introduction.rst renamed to Documentation/arch/loongarch/introduction.rst

@@ -1,8 +1,8 @@
 .. SPDX-License-Identifier: GPL-2.0
 
-.. include:: ../disclaimer-zh_CN.rst
+.. include:: ../../disclaimer-zh_CN.rst
 
-:Original: Documentation/loongarch/index.rst
+:Original: Documentation/arch/loongarch/index.rst
 :Translator: Huacai Chen <chenhuacai@loongson.cn>
 
 =================