trivial: fix typo optimazation

# Build toolchain wrapper for preprocessor, C and C++ compiler and setup

# symlinks for everything else. Skip gdb symlink when we are building our

# own gdb to prevent two gdb's in output/host/usr/bin.

# When the link-time-optimazation flag '-flto' is used, then the compiler

# When the link-time-optimization flag '-flto' is used, then the compiler

# and binutils have to support lto. ar/ranlib need to be called with the

# lto plugin. The wrappers *-gcc-ar and *-gcc-ranlib provided by GCC could

# be used as drop-ins for ar/runlib when Makefiles are used which do not