Docs: Add profile's comparism table

 - Update introduction with Base config
 - Move options table to Base configuration

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I6b4d18e162cc65fbc8646e55e08f80cedd9ba6e0
diff --git a/docs/introduction/readme.rst b/docs/introduction/readme.rst
index 56e77bc..1f807b8 100644
--- a/docs/introduction/readme.rst
+++ b/docs/introduction/readme.rst
@@ -22,10 +22,10 @@
 - Crypto, Internal Trusted Storage (ITS), Protected Storage (PS),
   Firmware Update and Attestation secure services
 
-TF-M implements PSA-FF-M defined IPC and SFN mechanisms to allow communication
+TF-M implements `PSA-FF-M`_ defined IPC and SFN mechanisms to allow communication
 between isolated firmware partitions. TF-M is highly configurable allowing users
 to only include the required secure services and features. Project provides
-‘TF-M base’ build with just TF-M core and platform drivers and 4 predefined
+:ref:`Base_configuration` build with just TF-M core and platform drivers and 4 predefined
 configurations known as :ref:`tf-m_profiles`. TF-M Profiles or TF-M base can
 be configured to include required services and features as described in the
 :ref:`tf-m_configuration` section.
@@ -96,6 +96,7 @@
 .. _Cortex-M85: https://developer.arm.com/Processors/Cortex-M85
 .. _PSA Certified: https://www.psacertified.org/about/developing-psa-certified/
 .. _Arm TrustZone technology: https://developer.arm.com/ip-products/security-ip/trustzone/trustzone-for-cortex-m
+.. _PSA-FF-M: https://www.arm.com/architecture/security-features/platform-security
 
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