This patch resolves the following two sparse warnings:

sound/arm/omap/eac.c:788:12: warning: symbol 'eac_init' was not declared. Should it be static?
sound/arm/omap/eac.c:793:13: warning: symbol 'eac_exit' was not declared. Should it be static?
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>