kernel: split kmod-lib-zlib into two packages to keep it in sync with kernel dependencies

Fixes build error on default config + selecting kmod-fs-isofs

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/linux/modules/crypto.mk

@@ -394,7 +394,7 @@ $(eval $(call KernelPackage,crypto-des))
 
 define KernelPackage/crypto-deflate
   TITLE:=Deflate compression CryptoAPI module
-  DEPENDS:=+kmod-lib-zlib
+  DEPENDS:=+kmod-lib-zlib-inflate +kmod-lib-zlib-deflate
   KCONFIG:=CONFIG_CRYPTO_DEFLATE
   FILES:=$(LINUX_DIR)/crypto/deflate.ko
   AUTOLOAD:=$(call AutoLoad,09,deflate)

package/kernel/linux/modules/fs.mk

@@ -82,7 +82,7 @@ $(eval $(call KernelPackage,fs-autofs4))
 define KernelPackage/fs-btrfs
   SUBMENU:=$(FS_MENU)
   TITLE:=BTRFS filesystem support
-  DEPENDS:=+kmod-lib-crc32c +kmod-lib-lzo +kmod-lib-zlib +kmod-lib-raid6 +kmod-lib-xor
+  DEPENDS:=+kmod-lib-crc32c +kmod-lib-lzo +kmod-lib-zlib-inflate +kmod-lib-zlib-deflate +kmod-lib-raid6 +kmod-lib-xor
   KCONFIG:=\
 	CONFIG_BTRFS_FS \
 	CONFIG_BTRFS_FS_POSIX_ACL=n \
@@ -144,7 +144,7 @@ $(eval $(call KernelPackage,fs-configfs))
 define KernelPackage/fs-cramfs
   SUBMENU:=$(FS_MENU)
   TITLE:=Compressed RAM/ROM filesystem support
-  DEPENDS:=+kmod-lib-zlib
+  DEPENDS:=+kmod-lib-zlib-inflate
   KCONFIG:= \
 	CONFIG_CRAMFS
   FILES:=$(LINUX_DIR)/fs/cramfs/cramfs.ko
@@ -268,7 +268,7 @@ $(eval $(call KernelPackage,fs-hfsplus))
 define KernelPackage/fs-isofs
   SUBMENU:=$(FS_MENU)
   TITLE:=ISO9660 filesystem support
-  DEPENDS:=+kmod-lib-zlib
+  DEPENDS:=+kmod-lib-zlib-inflate
   KCONFIG:=CONFIG_ISO9660_FS CONFIG_JOLIET=y CONFIG_ZISOFS=n
   FILES:=$(LINUX_DIR)/fs/isofs/isofs.ko
   AUTOLOAD:=$(call AutoLoad,30,isofs)

package/kernel/linux/modules/lib.mk

@@ -195,20 +195,28 @@ endef
 $(eval $(call KernelPackage,lib-textsearch))
 
 
-define KernelPackage/lib-zlib
+define KernelPackage/lib-zlib-inflate
   SUBMENU:=$(LIB_MENU)
   TITLE:=Zlib support
   HIDDEN:=1
-  KCONFIG:= \
-    CONFIG_ZLIB_DEFLATE \
-    CONFIG_ZLIB_INFLATE
-  FILES:= \
-    $(LINUX_DIR)/lib/zlib_deflate/zlib_deflate.ko \
-    $(LINUX_DIR)/lib/zlib_inflate/zlib_inflate.ko
-  AUTOLOAD:=$(call AutoProbe,zlib_deflate zlib_inflate)
+  KCONFIG:=CONFIG_ZLIB_INFLATE
+  FILES:=$(LINUX_DIR)/lib/zlib_inflate/zlib_inflate.ko
+  AUTOLOAD:=$(call AutoProbe,zlib_inflate)
+endef
+
+$(eval $(call KernelPackage,lib-zlib-inflate))
+
+
+define KernelPackage/lib-zlib-deflate
+  SUBMENU:=$(LIB_MENU)
+  TITLE:=Zlib support
+  HIDDEN:=1
+  KCONFIG:=CONFIG_ZLIB_DEFLATE
+  FILES:=$(LINUX_DIR)/lib/zlib_deflate/zlib_deflate.ko
+  AUTOLOAD:=$(call AutoProbe,zlib_deflate)
 endef
 
-$(eval $(call KernelPackage,lib-zlib))
+$(eval $(call KernelPackage,lib-zlib-deflate))
 
 
 define KernelPackage/lib-cordic