xlat_tables_v2: fix assembler warning of PLAT_RO_XLAT_TABLES

If PLAT_RO_XLAT_TABLES is defined, the base xlat table goes to the
.rodata section instead of .bss section.

This causes a warning like:

/tmp/ccswitLr.s: Assembler messages:
/tmp/ccswitLr.s:297: Warning: setting incorrect section attributes for .rodata

It is practically no problem, but I want to keep the build log clean.

Put the base table into the "base_xlat_table" section to suppress the
assembler warnings.

The linker script determines its final destination; rodata section if
PLAT_RO_XLAT_TABLES=1, or bss section otherwise. So, the result is the
same.

Change-Id: Ic85d1d2dddd9b5339289fc2378cbcb21dd7db02e
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/include/lib/xlat_tables/xlat_tables_v2.h b/include/lib/xlat_tables/xlat_tables_v2.h
index ab311f4..9fe4a6e 100644
--- a/include/lib/xlat_tables/xlat_tables_v2.h
+++ b/include/lib/xlat_tables/xlat_tables_v2.h
@@ -164,20 +164,15 @@
  *   Would typically be PLAT_VIRT_ADDR_SPACE_SIZE
  *   (resp. PLAT_PHY_ADDR_SPACE_SIZE) for the translation context describing the
  *   BL image currently executing.
-
- * _base_table_section:
- *   Specify the name of the section where the base translation tables have to
- *   be placed by the linker.
  */
 #define REGISTER_XLAT_CONTEXT(_ctx_name, _mmap_count, _xlat_tables_count, \
-			      _virt_addr_space_size, _phy_addr_space_size, \
-			      _base_table_section)			\
+			      _virt_addr_space_size, _phy_addr_space_size) \
 	REGISTER_XLAT_CONTEXT_FULL_SPEC(_ctx_name, (_mmap_count),	\
 					 (_xlat_tables_count),		\
 					 (_virt_addr_space_size),	\
 					 (_phy_addr_space_size),	\
 					 EL_REGIME_INVALID,		\
-					 "xlat_table", (_base_table_section))
+					 "xlat_table", "base_xlat_table")
 
 /*
  * Same as REGISTER_XLAT_CONTEXT plus the additional parameters: