soc/intel/elkhartlake/chip.h: Drop unused members

Remove devicetree options that aren't used anywhere in the code.

Change-Id: I7eace61079e14423325332d277fdda4f986fd133
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64403
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/elkhartlake/chip.h b/src/soc/intel/elkhartlake/chip.h
index 8764657..618d00f 100644
--- a/src/soc/intel/elkhartlake/chip.h
+++ b/src/soc/intel/elkhartlake/chip.h
@@ -234,21 +234,13 @@
 	/* Enable if SD Card Power Enable Signal is Active High */
 	uint8_t SdCardPowerEnableActiveHigh;
 
-	/* Gfx related */
+	/* HECI related */
 	uint8_t Heci2Enable;
 	uint8_t Heci3Enable;
 
-	/* Gfx related */
-	uint8_t SkipExtGfxScan;
-
-	uint8_t Device4Enable;
-
 	/* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */
 	uint8_t eist_enable;
 
-	/* Enable C6 DRAM */
-	uint8_t enable_c6dram;
-
 	/*
 	 * SerialIO device mode selection:
 	 * PchSerialIoDisabled,
@@ -308,9 +300,6 @@
 	/* GPIO SD card detect pin */
 	unsigned int sdcard_cd_gpio;
 
-	/* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */
-	bool CnviBtAudioOffload;
-
 	/*
 	 * Override GPIO PM configuration:
 	 * 0: Use FSP default GPIO PM program,
@@ -356,22 +345,6 @@
 	uint8_t DdiPort3Ddc;
 	uint8_t DdiPort4Ddc;
 
-	/* Hybrid storage mode enable (1) / disable (0)
-	 * This mode makes FSP detect Optane and NVME and set PCIe lane mode
-	 * accordingly */
-	uint8_t HybridStorageMode;
-
-	/*
-	 * Override CPU flex ratio value:
-	 * CPU ratio value controls the maximum processor non-turbo ratio.
-	 * Valid Range 0 to 63.
-	 * In general descriptor provides option to set default cpu flex ratio.
-	 * Default cpu flex ratio 0 ensures booting with non-turbo max frequency.
-	 * That's the reason FSP skips cpu_ratio override if cpu_ratio is 0.
-	 * Only override CPU flex ratio to not boot with non-turbo max.
-	 */
-	uint8_t cpu_ratio_override;
-
 	/* Skip CPU replacement check
 	 * 0: disable
 	 * 1: enable
@@ -405,59 +378,6 @@
 	} fivr;
 
 	/*
-	 * SLP_S3 Minimum Assertion Width Policy
-	 *  1 = 60us
-	 *  2 = 1ms
-	 *  3 = 50ms (default)
-	 *  4 = 2s
-	 */
-	uint8_t PchPmSlpS3MinAssert;
-
-	/*
-	 * SLP_S4 Minimum Assertion Width Policy
-	 *  1 = 1s (default)
-	 *  2 = 2s
-	 *  3 = 3s
-	 *  4 = 4s
-	 */
-	uint8_t PchPmSlpS4MinAssert;
-
-	/*
-	 * SLP_SUS Minimum Assertion Width Policy
-	 *  1 = 0ms
-	 *  2 = 500ms
-	 *  3 = 1s
-	 *  4 = 4s (default)
-	 */
-	uint8_t PchPmSlpSusMinAssert;
-
-	/*
-	 * SLP_A Minimum Assertion Width Policy
-	 *  1 = 0ms
-	 *  2 = 4s
-	 *  3 = 98ms
-	 *  4 = 2s (default)
-	 */
-	uint8_t PchPmSlpAMinAssert;
-
-	/*
-	 * PCH PM Reset Power Cycle Duration
-	 *  0 = 4s (default)
-	 *  1 = 1s
-	 *  2 = 2s
-	 *  3 = 3s
-	 *  4 = 4s
-	 *
-	 * NOTE: Duration programmed in the PchPmPwrCycDur should never be smaller than the
-	 * stretch duration programmed in the following registers:
-	 *  - GEN_PMCON_A.SLP_S3_MIN_ASST_WDTH (PchPmSlpS3MinAssert)
-	 *  - GEN_PMCON_A.S4MAW (PchPmSlpS4MinAssert)
-	 *  - PM_CFG.SLP_A_MIN_ASST_WDTH (PchPmSlpAMinAssert)
-	 *  - PM_CFG.SLP_LAN_MIN_ASST_WDTH
-	 */
-	uint8_t PchPmPwrCycDur;
-
-	/*
 	 * PCH power button override period.
 	 * Values: 0x0 - 4s, 0x1 - 6s, 0x2 - 8s, 0x3 - 10s, 0x4 - 12s, 0x5 - 14s
 	 */