Add support for Android x86 (i686)

Author: ViliusSutkus89

CMakeLists.txt

@@ -18,7 +18,7 @@ elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "arm64" OR ${OPENLIBM_ARCH_FOLDER} STREQ
     set(OPENLIBM_ARCH_FOLDER "aarch64")
 elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "armv7-a")
     set(OPENLIBM_ARCH_FOLDER "arm")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "x86")
+elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "x86" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "i686")
     set(OPENLIBM_ARCH_FOLDER "i387")
 elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "powerpc")
     set(OPENLIBM_ARCH_FOLDER "powerpc")