fix(scripts): correct all FAST_MATH to MATH

Author: QuantumMisaka

toolchain/scripts/stage2/install_aocl.sh

@@ -80,9 +80,9 @@ export AOCL_ROOT="${pkg_install_dir}"
 export AOCL_CFLAGS="${AOCL_CFLAGS}"
 export AOCL_LDFLAGS="${AOCL_LDFLAGS}"
 export AOCL_LIBS="${AOCL_LIBS}"
-export MATH_CFLAGS="\${FAST_MATH_CFLAGS} ${AOCL_CFLAGS}"
-export MATH_LDFLAGS="\${FAST_MATH_LDFLAGS} ${AOCL_LDFLAGS}"
-export MATH_LIBS="\${FAST_MATH_LIBS} ${AOCL_LIBS}"
+export MATH_CFLAGS="\${MATH_CFLAGS} ${AOCL_CFLAGS}"
+export MATH_LDFLAGS="\${MATH_LDFLAGS} ${AOCL_LDFLAGS}"
+export MATH_LIBS="\${MATH_LIBS} ${AOCL_LIBS}"
 EOF
 fi