plat/arm/board/fvp: Add support for Measured Boot

This patch adds support for Measured Boot functionality
to FVP platform code. It also defines new properties
in 'tpm_event_log' node to store Event Log address and
it size
'tpm_event_log_sm_addr'
'tpm_event_log_addr'
'tpm_event_log_size'
in 'event_log.dtsi' included in 'fvp_tsp_fw_config.dts'
and 'fvp_nt_fw_config.dts'. The node and its properties
are described in binding document
'docs\components\measured_boot\event_log.rst'.

Change-Id: I087e1423afcb269d6cfe79c1af9c348931991292
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
diff --git a/plat/arm/board/fvp/include/platform_def.h b/plat/arm/board/fvp/include/platform_def.h
index f8fb821..a986017 100644
--- a/plat/arm/board/fvp/include/platform_def.h
+++ b/plat/arm/board/fvp/include/platform_def.h
@@ -243,8 +243,8 @@
 
 /*
  * GIC related constants to cater for both GICv2 and GICv3 instances of an
- * FVP. They could be overriden at runtime in case the FVP implements the legacy
- * VE memory map.
+ * FVP. They could be overridden at runtime in case the FVP implements the
+ * legacy VE memory map.
  */
 #define PLAT_ARM_GICD_BASE		BASE_GICD_BASE
 #define PLAT_ARM_GICR_BASE		BASE_GICR_BASE