Yocto 2.3

Move OpenBMC to Yocto 2.3(pyro).

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/yocto-poky/meta/recipes-extended/which/which_2.21.bb b/import-layers/yocto-poky/meta/recipes-extended/which/which_2.21.bb
index a7687f6..fac0fd3 100644
--- a/import-layers/yocto-poky/meta/recipes-extended/which/which_2.21.bb
+++ b/import-layers/yocto-poky/meta/recipes-extended/which/which_2.21.bb
@@ -30,3 +30,6 @@
 
 ALTERNATIVE_${PN} = "which"
 ALTERNATIVE_PRIORITY = "100"
+
+ALTERNATIVE_${PN}-doc = "which.1"
+ALTERNATIVE_LINK_NAME[which.1] = "${mandir}/man1/which.1"