UAPI: The tile arch uses the generic ucontext.h file

Move the header-y and generic-y lines for ucontext.h from
arch/tile/include/asm/Kbuild to the uapi/ Kbuild as the asm-generic variant is
used.

Signed-off-by: David Howells <[e-mail]>
cc: Chris Metcalf <[e-mail]>

arch/tile/include/asm/Kbuild

···
 
 header-y += ../arch/
 
-header-y += ucontext.h
-
 generic-y += bug.h
 generic-y += bugs.h
 generic-y += clkdev.h
···
 generic-y += termbits.h
 generic-y += termios.h
 generic-y += types.h
-generic-y += ucontext.h
 generic-y += xor.h

arch/tile/include/uapi/asm/Kbuild

···
 header-y += signal.h
 header-y += stat.h
 header-y += swab.h
+header-y += ucontext.h
 header-y += unistd.h
+
+generic-y += ucontext.h