treewide: fix up github SRC_URIs

Per [1], Yocto is going to start requiring both branch names and
`protocol=https` in GitHub SRC_URI variables.  Ran the upstream tool to
automatically fix our URIs.

1. https://git.yoctoproject.org/poky/tree/documentation/migration-guides/migration-3.5.rst#n10

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I5f9619f7ff707050b469ae74c8aa16846568c5e4
diff --git a/meta-hpe/meta-gxp/classes/gxp-bootblock-n-poc.bbclass b/meta-hpe/meta-gxp/classes/gxp-bootblock-n-poc.bbclass
index fb35701..6e96ee2 100644
--- a/meta-hpe/meta-gxp/classes/gxp-bootblock-n-poc.bbclass
+++ b/meta-hpe/meta-gxp/classes/gxp-bootblock-n-poc.bbclass
@@ -3,7 +3,7 @@
 
 
 BBRANCH = "master"
-SRC_URI = "git://github.com/HewlettPackard/gxp-bootblock.git;branch=${BBRANCH}"
+SRC_URI = "git://github.com/HewlettPackard/gxp-bootblock.git;branch=${BBRANCH};protocol=https"
 SRCREV = "bab416f8ca8c8465d308cfeb7f8d5abc21ba343b"
 S = "${WORKDIR}/git"