Add glyph-images of HNG-KHI.

Add glyph-images of HNG-KHI.
(GT-K01352): Don't use `morohashi-daikanwa'; add
`<-simplified@component' for U+7F8E; add `ideographic-structure'.
(BUCS+7FA9): New abstract node.
(U+7FA9): Add `<-denotational' for BUCS+7FA9.
(HNG-KHI0526-0): New character; add `<-denotational' for BUCS+7FA9;
add `<-formed' for U+7FA9.
(U+7FAE): Apply new conventions for glyph granularity.
(U+7FB4): Separate UU+7FB4.
(U+7FB4-var-002): New character; add `<-denotational' for U+7FB4.
(U+7FBC): Use `->denotational' and `->subsumptive'.
(HNG-KHI0144-0): New character; add `<-denotational' for U+7FBC.