mb/google/dedede: Add ALC5650 to AUDIO_AMP in devicetree

Mapping to the fw_config of AUDIO_AMP in dedede,
and set new AUDIO_AMP configuration of ALC5650 as value 4.

BUG=b:284060672
BRANCH=dedede
TEST=build pass

Change-Id: Ic3dccd09d3ba1619cce2ac0d5f123badbeeaccdc
Signed-off-by: Daniel_Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76602
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shou-Chieh Hsu <shouchieh@google.com>
Reviewed-by: Daniel Peng <daniel_peng@pegatron.corp-partner.google.com>
Reviewed-by: Derek Huang <derekhuang@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/mainboard/google/dedede/variants/baseboard/devicetree.cb

@@ -23,6 +23,7 @@ fw_config
 		option MAX98360 1
 		option RT1015_I2C 2
 		option RT1015P_AUTO 3
+		option ALC5650 4
 	end
 	field LTE 11
 		option LTE_ABSENT 0