Provisioning: Fix installing nodejs and libusb to MacOS 10.13

Brew doesn't provide pre built binaries of nodejs nor libusb
for 10.13.

Change-Id: I9e8b47dbbfde05fc38661df6c834b0ff3f2754f2
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>

coin/provisioning/common/macos/libusb.sh

@@ -37,7 +37,7 @@
 set -ex
 
 source "${BASH_SOURCE%/*}/../unix/SetEnvVar.sh"
-brew install libusb
+brew install --build-from-source libusb
 read -r -a arr <<< $(brew list --versions libusb)
 version=${arr[1]}
 echo "libusb = $version" >> ~/versions.txt

coin/provisioning/qtci-macos-10.13-x86_64/08-nodejs.sh

@@ -2,5 +2,4 @@
 
 set -ex
 
-brew install nodejs
-
+brew install --build-from-source node