sparc: move the install rule to arch/sparc/Makefile

Currently, the install target in arch/sparc/Makefile descends into
arch/sparc/boot/Makefile to invoke the shell script, but there is no
good reason to do so.

arch/sparc/Makefile can run the shell script directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

arch/sparc/Makefile

@@ -72,7 +72,8 @@ image zImage uImage tftpboot.img vmlinux.aout: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
 install:
-	$(Q)$(MAKE) $(build)=$(boot) $@
+	sh $(srctree)/$(boot)/install.sh $(KERNELRELEASE) $(KBUILD_IMAGE) \
+		System.map "$(INSTALL_PATH)"
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)

arch/sparc/boot/Makefile

@@ -70,7 +70,3 @@ $(obj)/image: vmlinux FORCE
 $(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
 	$(call if_changed,elftoaout)
 	$(call if_changed,piggy)
-
-install:
-	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/zImage \
-		System.map "$(INSTALL_PATH)"