tfm: Clean up mcuboot references

Remove mcuboot from init-git.sh and README.rst, and add it to
.gitignore.

Signed-off-by: Øyvind Rønningstad <[email protected]>

Author: oyvindronningstad

.gitignore

@@ -0,0 +1 @@
+/mcuboot

README.rst

@@ -24,14 +24,10 @@ TF-M Tests:
     commit: ccda809801e529250b47c9ac470cf94daef1bb1b
     license: Apache 2.0
 
-mcuboot:
-    repo: https://github.com/JuulLabs-OSS/mcuboot.git
-    tag: v1.6.0
-    commit: 50d24a57516f558dac72bef634723b60c5cfb46b
-    license: Apache 2.0
-
 psa-arch-tests:
     repo: https://github.com/ARM-software/psa-arch-tests
     tag: v20.03_API1.0
     commit: 3d986e72d9e084bb45763849699718f474fb10ba
     license: Apache 2.0
+
+See also west.yml for more dependencies.

init-git.sh

@@ -2,7 +2,6 @@
 
 TFM_GIT_SHA=TF-Mv1.2.0
 TFM_TESTS_GIT_SHA=TF-Mv1.2.0
-MCUBOOT_GIT_SHA=v1.6.0
 PSA_ARCH_TESTS_GIT_SHA=v20.03_API1.0
 
 if [ ! -d trusted-firmware-m/.git ]; then
@@ -13,14 +12,6 @@ if [ ! -d trusted-firmware-m/.git ]; then
    cd ..
 fi
 
-if [ ! -d mcuboot/.git ]; then
-   git clone https://github.com/JuulLabs-OSS/mcuboot.git -b v1.4.0 -b ${MCUBOOT_GIT_SHA} --bare mcuboot/.git
-   cd mcuboot
-   git init
-   git checkout -f
-   cd ..
-fi
-
 if [ ! -d tf-m-tests/.git ]; then
    git clone https://git.trustedfirmware.org/TF-M/tf-m-tests.git -b ${TFM_TESTS_GIT_SHA} --bare tf-m-tests/.git
    cd tf-m-tests