[ARM] Make 'i' and 'zi' targets work

The 'i' and 'zi' targets short-circuit the dependencies for
'install' and 'zinstall' targets; these are useful for
installing the kernel on platforms which have make but no
compiler installed.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

authored by Russell King and committed by Russell King 13d5fadf cdcb81f7

+8
+8
arch/arm/boot/Makefile
··· 91 91 $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 92 92 $(obj)/zImage System.map "$(INSTALL_PATH)" 93 93 94 + zi: 95 + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 96 + $(obj)/zImage System.map "$(INSTALL_PATH)" 97 + 98 + i: 99 + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ 100 + $(obj)/Image System.map "$(INSTALL_PATH)" 101 + 94 102 subdir- := bootp compressed