mb/prodrive/atlas: Enable audio output

Before, the Intel HDA PCIe device was showing up in the lspci tool, but
Audio wasn't working.

This patch enables the corresponding FSP-M settings to make it work.

Tested on Prodrive Atlas with Themis carrier board on Windows 10 and
Linux 6.1.0-rc3.

Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I144618c453c1e6a3e759afc7532a4ac4a71814c9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72385
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/prodrive/atlas/romstage_fsp_params.c

@@ -45,4 +45,9 @@ void mainboard_memory_init_params(FSPM_UPD *memupd)
 	};
 
 	memcfg_init(memupd, mem_config, &dimm_module_spd_info, half_populated);
+
+	/* Enable Audio */
+	memupd->FspmConfig.PchHdaAudioLinkHdaEnable = 1;
+	memupd->FspmConfig.PchHdaSdiEnable[0] = 1;
+	memupd->FspmConfig.PchHdaSdiEnable[1] = 1;
 }