drivers/generic/max98357a: Allow custom _HID from config

Add HID field in max98357a_config and allow mainboards to set it.

Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Change-Id: I22d2d078a9a4eb6ab330da8439737ff5133086d4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39286
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index ea35785..ab30614 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -289,6 +289,7 @@
 		device pci 1f.2 on  end # Power Management Controller
 		device pci 1f.3 on
 			chip drivers/generic/max98357a
+				register "hid" = ""MX98357A""
 				register "sdmode_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E3)"
 				register "device_present_gpio" = "GPP_E3"
 				register "device_present_gpio_invert" = "1"