build(corstone1000): rename diphda to corstone1000

diphda platform is now being renamed to corstone1000.
These changes are to replace all the instances and traces
of diphda  corstone1000.

Change-Id: I330f3a112d232b99b4721b6bf0236253b068dbba
Signed-off-by: Arpita S.K <Arpita.S.K@arm.com>
Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
diff --git a/docs/about/maintainers.rst b/docs/about/maintainers.rst
index 94c63f4..8e169ae 100644
--- a/docs/about/maintainers.rst
+++ b/docs/about/maintainers.rst
@@ -427,7 +427,7 @@
 :|G|: `vishnu-banavath`_
 :|F|: plat/arm/board/corstone700
 :|F|: plat/arm/board/a5ds
-:|F|: plat/arm/board/diphda
+:|F|: plat/arm/board/corstone1000
 
 Arm Reference Design platform ports
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/docs/plat/arm/diphda/index.rst b/docs/plat/arm/corstone1000/index.rst
similarity index 92%
rename from docs/plat/arm/diphda/index.rst
rename to docs/plat/arm/corstone1000/index.rst
index 27afda4..b889b7f 100644
--- a/docs/plat/arm/diphda/index.rst
+++ b/docs/plat/arm/corstone1000/index.rst
@@ -1,7 +1,7 @@
-Diphda Platform
+Corstone1000 Platform
 ==========================
 
-Some of the features of the Diphda platform referenced in TF-A include:
+Some of the features of the Corstone1000 platform referenced in TF-A include:
 
 - Cortex-A35 application processor (64-bit mode)
 - Secure Enclave
@@ -37,7 +37,7 @@
       CC=aarch64-none-elf-gcc \
       V=1 \
       BUILD_BASE=<path to the build folder> \
-      PLAT=diphda \
+      PLAT=corstone1000 \
       SPD=spmd \
       SPMD_SPM_AT_SEL2=0 \
       DEBUG=1 \
diff --git a/docs/plat/arm/index.rst b/docs/plat/arm/index.rst
index f262dc0..2f68522 100644
--- a/docs/plat/arm/index.rst
+++ b/docs/plat/arm/index.rst
@@ -13,7 +13,7 @@
    arm_fpga/index
    arm-build-options
    morello/index
-   diphda/index
+   corstone1000/index
 
 This chapter holds documentation related to Arm's development platforms,
 including both software models (FVPs) and hardware development boards