Use GCC 15.1

Author: fjtrujy

config/ps2toolchain-ee-config.sh

@@ -3,9 +3,9 @@
 PS2TOOLCHAIN_EE_BINUTILS_REPO_URL="https://github.com/ps2dev/binutils-gdb.git"
 PS2TOOLCHAIN_EE_BINUTILS_DEFAULT_REPO_REF="ee-v2.44.0"
 PS2TOOLCHAIN_EE_GCC_REPO_URL="https://github.com/ps2dev/gcc.git"
-PS2TOOLCHAIN_EE_GCC_DEFAULT_REPO_REF="ee-v14.2.0"
+PS2TOOLCHAIN_EE_GCC_DEFAULT_REPO_REF="ee-v15.1.0"
 PS2TOOLCHAIN_EE_NEWLIB_REPO_URL="https://github.com/ps2dev/newlib.git"
-PS2TOOLCHAIN_EE_NEWLIB_DEFAULT_REPO_REF="ee-v4.5.0"
+PS2TOOLCHAIN_EE_NEWLIB_DEFAULT_REPO_REF="ee-v4.5.0-gcc15"
 PS2TOOLCHAIN_EE_PTHREAD_EMBEDDED_REPO_URL="https://github.com/ps2dev/pthread-embedded.git"
 PS2TOOLCHAIN_EE_PTHREAD_EMBEDDED_DEFAULT_REPO_REF="platform_agnostic"