core: ARM 32-bit targets must be built with 4k elf alignment

- ARM 32-bit targets will be built with 4096 ELF alignment.
- ARM 32-bit targets will only support 4K Page sizes.
- ARM 32-bit targets won't be page agnostic.

Test: source build/envsetup.sh
      lunch aosp_cf_x86_64_phone
      m
Bug: 295550555
Change-Id: I1fda20ee06759cfe30e2e244616456d1ffa5ad66
diff --git a/core/config.mk b/core/config.mk
index e919be3..2a30dd9 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -439,19 +439,14 @@
     ifeq ($(TARGET_ARCH),arm64)
       TARGET_MAX_PAGE_SIZE_SUPPORTED := 65536
     endif
-    ifeq ($(TARGET_ARCH),arm)
-      TARGET_MAX_PAGE_SIZE_SUPPORTED := 65536
-    endif
   endif
 endif
 .KATI_READONLY := TARGET_MAX_PAGE_SIZE_SUPPORTED
 
-# Check that TARGET_MAX_PAGE_SIZE_SUPPORTED is greater than 4096 only for ARM arch.
+# Only arm64 arch supports TARGET_MAX_PAGE_SIZE_SUPPORTED greater than 4096.
 ifneq ($(TARGET_MAX_PAGE_SIZE_SUPPORTED),4096)
   ifneq ($(TARGET_ARCH),arm64)
-    ifneq ($(TARGET_ARCH),arm)
-      $(error TARGET_MAX_PAGE_SIZE_SUPPORTED=$(TARGET_MAX_PAGE_SIZE_SUPPORTED) is greater than 4096. Only supported in ARM arch)
-    endif
+    $(error TARGET_MAX_PAGE_SIZE_SUPPORTED=$(TARGET_MAX_PAGE_SIZE_SUPPORTED) is greater than 4096. Only supported in arm64 arch)
   endif
 endif