soc/intel/icelake: Remove unused headers

This patch removes inclusion of unused headers from soc/intel/icelake

Change-Id: Icb653dee7992538aadf98d84adadd081f816fd01
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36536
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/icelake/bootblock/bootblock.c

@@ -15,6 +15,7 @@
 
 #include <bootblock_common.h>
 #include <intelblocks/gspi.h>
+#include <intelblocks/systemagent.h>
 #include <intelblocks/uart.h>
 #include <soc/bootblock.h>
 #include <soc/iomap.h>

src/soc/intel/icelake/include/soc/bootblock.h

@@ -16,8 +16,6 @@
 #ifndef _SOC_ICELAKE_BOOTBLOCK_H_
 #define _SOC_ICELAKE_BOOTBLOCK_H_
 
-#include <intelblocks/systemagent.h>
-
 /* Bootblock pre console init programming */
 void bootblock_cpu_init(void);
 void bootblock_pch_early_init(void);

src/soc/intel/icelake/include/soc/cpu.h

@@ -16,7 +16,6 @@
 #ifndef _SOC_ICELAKE_CPU_H_
 #define _SOC_ICELAKE_CPU_H_
 
-#include <device/device.h>
 #include <intelblocks/msr.h>
 
 /* Latency times in units of 32768ns */