riscv: move the (z)install rules to arch/riscv/Makefile

Currently, the (z)install targets in arch/riscv/Makefile descend into
arch/riscv/boot/Makefile to invoke the shell script, but there is no
good reason to do so.

arch/riscv/Makefile can run the shell script directly.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

arch/riscv/Makefile

diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 01906a9..0eb4568 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -132,8 +132,11 @@
 Image.%: Image
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
-zinstall install:
-	$(Q)$(MAKE) $(build)=$(boot) $@
+install: install-image = Image
+zinstall: install-image = Image.gz
+install zinstall:
+	$(CONFIG_SHELL) $(srctree)/$(boot)/install.sh $(KERNELRELEASE) \
+	$(boot)/$(install-image) System.map "$(INSTALL_PATH)"
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)

arch/riscv/boot/Makefile

diff --git a/arch/riscv/boot/Makefile b/arch/riscv/boot/Makefile
index 6bf299f..becd062 100644
--- a/arch/riscv/boot/Makefile
+++ b/arch/riscv/boot/Makefile
@@ -58,11 +58,3 @@
 
 $(obj)/loader.bin: $(obj)/loader FORCE
 	$(call if_changed,objcopy)
-
-install:
-	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
-	$(obj)/Image System.map "$(INSTALL_PATH)"
-
-zinstall:
-	$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
-	$(obj)/Image.gz System.map "$(INSTALL_PATH)"