soc/intel/icelake: Drop unreferenced devicetree settings

No mainboard uses these settings, nor does SoC code. Drop them.

Change-Id: I6ce43071c95eeb41c35ddfdb734db52d863ea8e4
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48569
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
diff --git a/src/soc/intel/icelake/chip.h b/src/soc/intel/icelake/chip.h
index 956793a..cd0a9b0 100644
--- a/src/soc/intel/icelake/chip.h
+++ b/src/soc/intel/icelake/chip.h
@@ -53,24 +53,6 @@
 	/* TCC activation offset */
 	uint32_t tcc_offset;
 
-	uint64_t PlatformMemorySize;
-	uint8_t SmramMask;
-	uint8_t MrcFastBoot;
-	uint32_t TsegSize;
-	uint16_t MmioSize;
-
-	/* DDR Frequency Limit. Maximum Memory Frequency Selections in Mhz.
-	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
-	uint16_t DdrFreqLimit;
-
-	/* SAGV Low Frequency Selections in Mhz.
-	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
-	uint16_t FreqSaGvLow;
-
-	/* SAGV Mid Frequency Selections in Mhz.
-	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
-	uint16_t FreqSaGvMid;
-
 	/* System Agent dynamic frequency support. Only effects ULX/ULT CPUs.
 	 * When enabled memory will be training at two different frequencies.
 	 * 0:Disabled, 1:FixedLow, 2:FixedMid, 3:FixedHigh, 4:Enabled */
@@ -88,7 +70,6 @@
 	/* USB related */
 	struct usb2_port_config usb2_ports[16];
 	struct usb3_port_config usb3_ports[10];
-	uint8_t SsicPortEnable;
 	/* Wake Enable Bitmap for USB2 ports */
 	uint16_t usb2_wake_enable_bitmap;
 	/* Wake Enable Bitmap for USB3 ports */
@@ -144,27 +125,14 @@
 	/* Enable if SD Card Power Enable Signal is Active High */
 	uint8_t SdCardPowerEnableActiveHigh;
 
-	/* Integrated Sensor */
-	uint8_t PchIshEnable;
-
 	/* Heci related */
 	uint8_t Heci3Enabled;
 
 	/* Gfx related */
-	uint8_t IgdDvmt50PreAlloc;
 	uint8_t SkipExtGfxScan;
 
-	uint32_t GraphicsConfigPtr;
 	uint8_t Device4Enable;
 
-	/* GPIO IRQ Select. The valid value is 14 or 15 */
-	uint8_t GpioIrqRoute;
-	/* SCI IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */
-	uint8_t SciIrqSelect;
-	/* TCO IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */
-	uint8_t TcoIrqSelect;
-	uint8_t TcoIrqEnable;
-
 	/* HeciEnabled decides the state of Heci1 at end of boot
 	 * Setting to 0 (default) disables Heci1 and hides the device from OS */
 	uint8_t HeciEnabled;