arm-bsp/documentation: Replace FVP_BASE_R_ARM_EULA_ACCEPT with ARM_FVP_EULA_ACCEPT

1- Replace FVP_BASE_R_ARM_EULA_ACCEPT with ARM_FVP_EULA_ACCEPT
in fvp-baser-aemv8r64.md
2- Add instructions to corstone1000/user-guide.rst to set
ARM_FVP_EULA_ACCEPT to "1".

Signed-off-by: Ziad Elhanafy <ziad.elhanafy@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/documentation/corstone1000/user-guide.rst

@@ -176,7 +176,15 @@ To build a Corstone-1000 image for MPS3 FPGA, run:
 
     kas build meta-arm/kas/corstone1000-mps3.yml
 
-Alternatively, to build a Corstone-1000 image for FVP, run:
+Alternatively, to build a Corstone-1000 image for FVP, you need to accept
+the EULA at https://developer.arm.com/downloads/-/arm-ecosystem-fvps/eula
+by setting the ARM_FVP_EULA_ACCEPT environment variable as follows:
+
+::
+  
+    export ARM_FVP_EULA_ACCEPT="True"
+
+then run:
 
 ::
 

meta-arm-bsp/documentation/fvp-baser-aemv8r64.md

@@ -110,7 +110,7 @@ the EULA at
 https://developer.arm.com/downloads/-/arm-ecosystem-fvps/eula
 by setting the following environment variable:
 
-    FVP_BASE_R_ARM_EULA_ACCEPT="True"
+    ARM_FVP_EULA_ACCEPT="True"
 
 **Note:** The host machine should have at least 50 GBytes of free disk space
 for the next steps to work correctly.
@@ -134,13 +134,13 @@ Fetch the meta-arm repository into a build directory:
 Building with the standard Linux kernel:
 
     cd ~/fvp-baser-aemv8r64-build
-    export FVP_BASE_R_ARM_EULA_ACCEPT="True"
+    export ARM_FVP_EULA_ACCEPT="True"
     kas build meta-arm/kas/fvp-baser-aemv8r64-bsp.yml
 
 Building with the Real-Time Linux kernel (PREEMPT\_RT):
 
     cd ~/fvp-baser-aemv8r64-build
-    export FVP_BASE_R_ARM_EULA_ACCEPT="True"
+    export ARM_FVP_EULA_ACCEPT="True"
     kas build meta-arm/kas/fvp-baser-aemv8r64-rt-bsp.yml
 
 ### Run