FOUT_EPLL
PLL(pll_6553, FOUT_EPLL, "fout_epll", "fin_pll",
ALIAS(FOUT_EPLL, NULL, "fout_epll"),
[epll] = PLL(pll_4600, FOUT_EPLL, "fout_epll", "fin_pll",
[epll] = PLL(pll_4500, FOUT_EPLL, "fout_epll", "fin_pll",