meta-hpe: Update binary bootblock recipes for GXP

Update the build recipes for the GXP binary bootblock that runs before U-Boot.
The code has been restructured such that the DL360POC machine is the exception,
so this includes the overrides for the DL360POC.

Signed-off-by: Mike Garrett <mike.garrett@hpe.com>
Change-Id: I507a6e32c7c72613dbd1239824f528f0f60d1f6f
diff --git a/meta-hpe/meta-gxp/recipes-bsp/image/gxp-bootblock.bb b/meta-hpe/meta-gxp/recipes-bsp/image/gxp-bootblock.bb
index 9699375..d8bcc54 100644
--- a/meta-hpe/meta-gxp/recipes-bsp/image/gxp-bootblock.bb
+++ b/meta-hpe/meta-gxp/recipes-bsp/image/gxp-bootblock.bb
@@ -1 +1 @@
-inherit gxp-bootblock-n-poc
+inherit gxp-bootblock-n