build: install into bin instead of sbin

Installs into bin instead of sbin per guidelines.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: If171989d2c0c6a53d9368b776ac98dea743057da
diff --git a/Makefile.am b/Makefile.am
index d1ced8f..5af2544 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,7 +6,7 @@
 providersdir = ${libdir}/ipmid-providers
 providers_LTLIBRARIES =
 
-sbin_PROGRAMS = \
+bin_PROGRAMS = \
 	ipmid
 
 ipmid_SOURCES = \