Merge pull request #40625 from akien-mga/gitignore-binutils-stXXXXXX

gitignore: Ignore binutils linker temp stXXXXXX objects

.gitignore

@@ -34,6 +34,8 @@ platform/android/java/lib/.cxx/*
 *.os
 *.Plo
 *.lo
+# Binutils tmp linker output of the form "stXXXXXX" where "X" is alphanumeric
+st[A-Za-z0-9][A-Za-z0-9][A-Za-z0-9][A-Za-z0-9][A-Za-z0-9][A-Za-z0-9]
 
 # Libs generated files
 .deps/*