[U-Boot] [PATCH 03/30] dm: sound: samsung: Make local function static

[sjg at google.com]

Several functions are not exported from this file. Make them static so
this is clear.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/sound/samsung-i2s.c | 8 ++++----
 drivers/sound/wm8994.c      | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

Applied to u-boot-dm/master