qoriq: Expand generic subtarget description

Signed-off-by: Matt Fawcett <[email protected]>
[remove trailing whitespace]
Signed-off-by: Stijn Tintel <[email protected]>

target/linux/qoriq/generic/target.mk

@@ -1,3 +1,5 @@
 define Target/Description
-        Build firmware images for NXP QorIQ boards in the AMP series.
+        Build firmware images for NXP QorIQ boards in the
+        T-Series(T1-T5) aka AMP Series platforms.
+        Features the e5500 and e6500 64-bit Power Architecture cores.
 endef