soc/intel/alderlake: Enable PCIE RTD3 driver

Include the PCIE RTD3 driveri for Alder Lake SoC.

Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Change-Id: I4732e4663feff503b249b76aaf70ec142a888963
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52195
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/alderlake/Kconfig

@@ -59,6 +59,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_HDA
 	select SOC_INTEL_COMMON_BLOCK_IPU
 	select SOC_INTEL_COMMON_BLOCK_MEMINIT
+	select SOC_INTEL_COMMON_BLOCK_PCIE_RTD3
 	select SOC_INTEL_COMMON_BLOCK_POWER_LIMIT
 	select SOC_INTEL_COMMON_BLOCK_SA
 	select SOC_INTEL_COMMON_BLOCK_SMM