initvals: Update AR9580 baseband arrays

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
initvals: Add DFS-specific baseband array for AR9300

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
initvals: Add DFS array for AR9580

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
initvals: Add DFS array for AR9340

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>