build: rename linuxapp to linux in meson cross files

Rename the cross files for meson compilation from having linuxapp
in the name to just linux in the name.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

devtools/test-meson-builds.sh

@@ -67,7 +67,7 @@ if command -v $c >/dev/null 2>&1 ; then
 	# compile the general v8a also for clang to increase coverage
 	export CC="ccache clang"
 	build build-arm64-host-clang $use_shared \
-		--cross-file config/arm/arm64_armv8_linuxapp_gcc
+		--cross-file config/arm/arm64_armv8_linux_gcc
 
 	for f in config/arm/arm*gcc ; do
 		export CC="ccache gcc"

doc/build-sdk-meson.txt

@@ -157,9 +157,9 @@ command::
 
 For example if the target machine is arm64 we can use the following
 command::
-	meson arm-build --cross-file config/arm/arm64_armv8_linuxapp_gcc
+	meson arm-build --cross-file config/arm/arm64_armv8_linux_gcc
 
-where config/arm/arm64_armv8_linuxapp_gcc contains the following
+where config/arm/arm64_armv8_linux_gcc contains the following
 parameters::
 
 	[binaries]