Use incremental link for z_message/z_game_over data shenanigans (#2051)

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>

linker_scripts/audio_table_rodata.ld

@@ -1,17 +0,0 @@
-OUTPUT_ARCH (mips)
-
-/* Audio Table Linker Script, maps data into rodata */
-
-SECTIONS {
-
-    .rodata :
-    {
-        *(.data*)
-        *(.rodata*)
-    }
-
-    /DISCARD/ :
-    {
-        *(*);
-    }
-}

linker_scripts/data_with_rodata.ld

@@ -0,0 +1,22 @@
+OUTPUT_ARCH (mips)
+
+/* Maps data into rodata, used for audio tables and z_message/z_game_over */
+
+SECTIONS {
+    .rodata :
+    {
+        *(.data)
+        *(.rodata)
+        *(.rodata.str*)
+        *(.rodata.cst*)
+    }
+
+    /DISCARD/ :
+    {
+        /* GNU ld assumes that the linker script always combines .gptab.data and
+         * .gptab.sdata into .gptab.sdata, and likewise for .gptab.bss and .gptab.sbss.
+         * To avoid dealing with this, we just discard all .gptab sections.
+         */
+        *(.gptab.*)
+    }
+}