doc: Remove backquotes from external hyperlinks

Since Sphinx 2.3.0 backquotes are replaced to \textasciigrave{} during
building latexpdf. Using this element in a \sphinxhref{} breaks the
build. In order to avoid this error backquotes must not be used in
external hyperlinks.
Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: Ie3cf454427e3d5a7b7f9829b42be45aebda7f0dd

docs/components/exception-handling.rst

@@ -467,7 +467,7 @@ SMCs from Non-secure world are synchronous exceptions, and are mechanisms for
 Non-secure world to request Secure services. They're broadly classified as
 *Fast* or *Yielding* (see `SMCCC`__).
 
-.. __: `http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html`
+.. __: http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html
 
 -  *Fast* SMCs are atomic from the caller's point of view. I.e., they return
    to the caller only when the Secure world has finished serving the request.
@@ -621,6 +621,6 @@ The |EHF| has the following limitations:
 
 --------------
 
-*Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.*
+*Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved.*
 
 .. _SDEI specification: http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf

docs/getting_started/build-options.rst

@@ -310,8 +310,8 @@ Common build options
    EL1 for handling. The default value of this option is ``0``, which means the
    Group 0 interrupts are assumed to be handled by Secure EL1.
 
-   .. __: `platform-interrupt-controller-API.rst`
-   .. __: `interrupt-framework-design.rst`
+   .. __: platform-interrupt-controller-API.rst
+   .. __: interrupt-framework-design.rst
 
 -  ``HANDLE_EA_EL3_FIRST``: When set to ``1``, External Aborts and SError
    Interrupts will be always trapped in EL3 i.e. in BL31 at runtime. When set to
@@ -657,4 +657,4 @@ commands can be used:
 
 --------------
 
-*Copyright (c) 2019, Arm Limited. All rights reserved.*
+*Copyright (c) 2019-2020, Arm Limited. All rights reserved.*