Boot: Update MCUboot url

MCUboot URL was changed from https://github.com/JuulLabs-OSS/mcuboot
to https://github.com/mcu-tools/mcuboot

Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: If5e3d103ed420258046b7cf1071d36bf5e883476
diff --git a/docs/getting_started/tfm_build_instruction.rst b/docs/getting_started/tfm_build_instruction.rst
index 2f26eec..6418d34 100644
--- a/docs/getting_started/tfm_build_instruction.rst
+++ b/docs/getting_started/tfm_build_instruction.rst
@@ -472,7 +472,7 @@
 +----------------+--------------------+-----------------------------------------------------+
 | tf-m-tests     | TFM_TEST_REPO_PATH | https://git.trustedfirmware.org/TF-M/tf-m-tests.git |
 +----------------+--------------------+-----------------------------------------------------+
-| MCUboot        | MCUBOOT_PATH       | https://github.com/JuulLabs-OSS/mcuboot             |
+| MCUboot        | MCUBOOT_PATH       | https://github.com/mcu-tools/mcuboot             |
 +----------------+--------------------+-----------------------------------------------------+
 | psa-arch-tests | PSA_ARCH_TEST_PATH | https://github.com/ARM-software/psa-arch-tests      |
 +----------------+--------------------+-----------------------------------------------------+