meta-ampere: refine code structure

Restructure Ampere recipes to better reuse existing resource for
multiple platforms later.

Tested:
1. Compile without error.
2. Run regression test for related features without error.

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: I5d034d21273b99be651f20dc2eb5549c1092f079
diff --git a/meta-ampere/meta-jade/conf/machine/mtjade.conf b/meta-ampere/meta-jade/conf/machine/mtjade.conf
index bec22ca..c6706d5 100644
--- a/meta-ampere/meta-jade/conf/machine/mtjade.conf
+++ b/meta-ampere/meta-jade/conf/machine/mtjade.conf
@@ -22,9 +22,8 @@
 VOLATILE_LOG_DIR = "no"
 
 OBMC_IMAGE_EXTRA_INSTALL:append = "\
-                                   mtjade-utils \
+                                   ampere-utils \
                                    ampere-usbnet \
-                                   ampere-flash-utils \
                                    ampere-mac-update \
                                    mtjade-gpio-config \
                                    ampere-platform-init \