components/esp32: fix DRAM_ATTR attribute

This change places contents of .dram1 section into .dram0.data.
Also removes .iram1pro/.iram1app/.dram1pro/.dram1app which weren't used anywhere.

components/esp32/ld/eagle.fpga32.v7.ld

@@ -106,6 +106,7 @@ SECTIONS
     KEEP(*(.sdata2.*))
     KEEP(*(.gnu.linkonce.s2.*))
     KEEP(*(.jcr))
+    *(.dram1 .dram1.*)
     _data_end = ABSOLUTE(.);
     . = ALIGN(4);
     _heap_start = ABSOLUTE(.);