soc/intel/{broadwell, skylake}: Remove unused pch_log_state() declaration

This patch removes unused pch_log_state() function declaration from pch.h
because elog.c has static implementation of pch_log_state().

Change-Id: Ib0f3831dc3b60af2ee432a76866e401a51b96fb7
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32505
Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/broadwell/include/soc/pch.h

@@ -42,7 +42,6 @@ u16 pch_type(void);
 int pch_is_wpt(void);
 int pch_is_wpt_ulx(void);
 u32 pch_read_soft_strap(int id);
-void pch_log_state(void);
 void pch_disable_devfn(struct device *dev);
 
 #endif

src/soc/intel/skylake/include/soc/pch.h

@@ -20,7 +20,6 @@
 
 #include <device/device.h>
 
-void pch_log_state(void);
 #if ENV_RAMSTAGE
 void pch_disable_devfn(struct device *dev);
 #endif