Bug#1055636: ogre: Add loongarch64 support

[JiaLing Zhang]

Package: ogre-1.9
Severity: serious
File: ogre
Tags: upstream patch ftbfs loong64
Justification: fails to build from source
X-Debbugs-Cc: zhangjialing at loongson.cn

Dear Maintainer,

This package need support for loongarch64,Please help.
-------------- next part --------------
--- ogre-1.9-1.9.0+dfsg1.orig/OgreMain/include/OgrePlatform.h
+++ ogre-1.9-1.9.0+dfsg1/OgreMain/include/OgrePlatform.h
@@ -166,7 +166,7 @@ namespace Ogre {
 #endif
 
     /* Find the arch type */
-#if defined(__x86_64__) || defined(_M_X64) || defined(__powerpc64__) || defined(__alpha__) || defined(__ia64__) || defined(__s390__) || defined(__s390x__) || defined(__arm64__) || defined(__aarch64__) || defined(__mips64) || defined(__mips64_) || (defined(__riscv) && (__riscv_xlen == 64))
+#if defined(__x86_64__) || defined(_M_X64) || defined(__powerpc64__) || defined(__alpha__) || defined(__ia64__) || defined(__s390__) || defined(__s390x__) || defined(__arm64__) || defined(__aarch64__) || defined(__mips64) || defined(__mips64_) || (defined(__riscv) && (__riscv_xlen == 64)) || defined(__loongarch64)
 #   define OGRE_ARCH_TYPE OGRE_ARCHITECTURE_64
 #else
 #   define OGRE_ARCH_TYPE OGRE_ARCHITECTURE_32