[edk2-platforms][PATCH V1] edk2-platforms: Update Readme.md

[edk2-platforms][PATCH V1] edk2-platforms: Update Readme.md

[chandni cherukuri]

The link for GCC toolchain is no longer valid. Update
GCC toolchain to point to the latest link available.

Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
---
 Readme.md | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/Readme.md b/Readme.md
index d00600d35018..cfdb3a15a282 100644
--- a/Readme.md
+++ b/Readme.md
@@ -51,8 +51,8 @@ but the reverse may not always be true.
 
 Target architecture | Cross compilation prefix
 --------------------|-------------------------
-AARCH64             | aarch64-linux-gnu-
-ARM                 | arm-linux-gnueabihf-
+AARCH64             | aarch64-linux-gnu- _or_ aarch64-none-linux-gnu-
+ARM                 | arm-linux-gnueabihf- _or_ arm-linux-none-gnueabihf-
 IA32                | i?86-linux-gnu-* _or_ x86_64-linux-gnu-
 IPF                 | ia64-linux-gnu
 X64                 | x86_64-linux-gnu-
@@ -61,11 +61,8 @@ RISCV64             | riscv64-unknown-elf-
 \* i386, i486, i586 or i686
 
 ### GCC
-Linaro provides GCC toolchains for
-[aarch64-linux-gnu](https://releases.linaro.org/components/toolchain/binaries/latest/aarch64-linux-gnu/)
-and [arm-linux-gnueabihf](https://releases.linaro.org/components/toolchain/binaries/latest/arm-linux-gnueabihf/)
-compiled to run on x86_64/i686 Linux and i686 Windows. Some Linux distributions
-provide their own packaged cross-toolchains.
+The GCC toolchain can be obtained from [gcc](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads). Download the required latest toolchain based on the
+build machine. Some Linux distributions provide their own packaged cross-toolchains.
 
 ### GCC for RISC-V
 RISC-V open source community provides GCC toolchains for
@@ -170,7 +167,7 @@ build command which toolchain to use. We do this by setting the environment
 variable `{TOOL_CHAIN_TAG}_{TARGET_ARCH}_PREFIX` - in the case above,
 **GCC5_AARCH64_PREFIX**.
 
-So, referring to the cross compiler toolchain table above, we should prepend the `build` command line with `GCC5_AARCH64_PREFIX=aarch64-linux-gnu-`.
+So, referring to the cross compiler toolchain table above, we should prepend the `build` command line with `GCC5_AARCH64_PREFIX=aarch64-linux-gnu-` or `GCC5_AARCH64_PREFIX=aarch64-none-linux-gnu-`.
 
 ## Using uefi-tools helper scripts
 uefi-tools is a completely unofficial set of helper-scripts developed by Linaro.
-- 
2.17.1

Re: [edk2-devel] [edk2-platforms][PATCH V1] edk2-platforms: Update Readme.md

[Sami Mujawar]

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Hi Chandni,

Thank you for this patch.

Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>

Regards,

Sami Mujawar

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