[RFC] net/cnxk: only build if platform is specified

[Stephen Hemminger]

The generic build was building for all SOC types and that
takes a long time (like 10 minutes). The driver should only be
built if soc_type is set to one of the know values.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/cnxk/meson.build | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/cnxk/meson.build b/drivers/net/cnxk/meson.build
index 53caa6c171..4a2f4e1a92 100644
--- a/drivers/net/cnxk/meson.build
+++ b/drivers/net/cnxk/meson.build
@@ -14,8 +14,10 @@ else
         soc_type = platform
 endif
 
-if soc_type != 'cn9k' and soc_type != 'cn10k' and soc_type != 'cn20k'
-        soc_type = 'all'
+if soc_type != 'cn9k' and soc_type != 'cn10k' and soc_type != 'cn20k' and soc_type != 'all'
+        build = false
+        reason = 'not supported on soc_type ' + soc_type
+        subdir_done()
 endif
 
 sources = files(
-- 
2.51.0