package/arm-gnu-toolchain: revert to version 10

Revert the toolchain to version 10.x because of bug in 11.x:
when the pre-packaged GCC was built, it could be targeting
a newer x86_64 architecture than the processor being used.
Confirmed fix will be implemented in the next release:

https://bugs.linaro.org/show_bug.cgi?id=5825#c19
Signed-off-by: Xuanhao Shi <x-shi@ti.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/arm-gnu-toolchain/arm-gnu-toolchain.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  8c5acd5ae567c0100245b0556941c237369f210bceb196edfe5a2e7532c60326  gcc-arm-11.2-2022.02-x86_64-arm-none-eabi.tar.xz
+sha256  97dbb4f019ad1650b732faffcc881689cedc14e2b7ee863d390e0a41ef16c9a3  gcc-arm-none-eabi-10.3-2021.10-x86_64-linux.tar.bz2

package/arm-gnu-toolchain/arm-gnu-toolchain.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-ARM_GNU_TOOLCHAIN_VERSION = 11.2-2022.02
-ARM_GNU_TOOLCHAIN_SITE = https://developer.arm.com/-/media/Files/downloads/gnu/$(ARM_GNU_TOOLCHAIN_VERSION)/binrel/
-ARM_GNU_TOOLCHAIN_SOURCE = gcc-arm-$(ARM_GNU_TOOLCHAIN_VERSION)-x86_64-arm-none-eabi.tar.xz
+ARM_GNU_TOOLCHAIN_VERSION = 10.3-2021.10
+ARM_GNU_TOOLCHAIN_SITE = https://developer.arm.com/-/media/Files/downloads/gnu-rm/$(ARM_GNU_TOOLCHAIN_VERSION)
+ARM_GNU_TOOLCHAIN_SOURCE = gcc-arm-none-eabi-$(ARM_GNU_TOOLCHAIN_VERSION)-x86_64-linux.tar.bz2
 ARM_GNU_TOOLCHAIN_LICENSE = GPL-3.0+
 
 HOST_ARM_GNU_TOOLCHAIN_INSTALL_DIR = $(HOST_DIR)/opt/gcc-arm-none-eabi