samples: Replace i2s tag with lower case
Replaces the capitalized I2S tag with i2s as tags in Zephyr are
by convention lower case.
Unexpectedly built the i2s echo sample when given the lower case tag in the
ignore.
@@ -2,7 +2,7 @@ sample:
name: I2S echo sample
tests:
sample.drivers.i2s.echo:
- tags: I2S
+ tags: i2s
filter: dt_nodelabel_enabled("i2s_rxtx") or
(dt_nodelabel_enabled("i2s_rx") and dt_nodelabel_enabled("i2s_tx"))
integration_platforms:
