[Driver] Remove unused -Ttext -Tdata -Tbss

They lead to -Wunused-command-line-argument and should be written as -Ttext=
instead, but the driver options end with a space. -Ttext=0 can be accepted by
the JoinedOrSeparate -T, so the JoinedOrSeparate -Ttext/etc are unneeded.

Author: MaskRay

clang/include/clang/Driver/Options.td

@@ -764,12 +764,6 @@ def R_Joined : Joined<["-"], "R">, Group<R_Group>, Flags<[CC1Option, CoreOption]
   MetaVarName<"<remark>">, HelpText<"Enable the specified remark">;
 def S : Flag<["-"], "S">, Flags<[NoXarchOption,CC1Option,FlangOption,FC1Option]>, Group<Action_Group>,
   HelpText<"Only run preprocess and compilation steps">;
-def Tbss : JoinedOrSeparate<["-"], "Tbss">, Group<T_Group>,
-  MetaVarName<"<addr>">, HelpText<"Set starting address of BSS to <addr>">;
-def Tdata : JoinedOrSeparate<["-"], "Tdata">, Group<T_Group>,
-  MetaVarName<"<addr>">, HelpText<"Set starting address of DATA to <addr>">;
-def Ttext : JoinedOrSeparate<["-"], "Ttext">, Group<T_Group>,
-  MetaVarName<"<addr>">, HelpText<"Set starting address of TEXT to <addr>">;
 def T : JoinedOrSeparate<["-"], "T">, Group<T_Group>,
   MetaVarName<"<script>">, HelpText<"Specify <script> as linker script">;
 def U : JoinedOrSeparate<["-"], "U">, Group<Preprocessor_Group>,

clang/test/Driver/hexagon-toolchain-elf.c

@@ -431,7 +431,6 @@
 // RUN:   -ccc-install-dir %S/Inputs/hexagon_tree/Tools/bin \
 // RUN:   -mcpu=hexagonv60 \
 // RUN:   -s \
-// RUN:   -Tbss 0xdead -Tdata 0xbeef -Ttext 0xcafe \
 // RUN:   -t \
 // RUN:   -e start_here \
 // RUN:   -uFoo -undefined Bar \
@@ -445,7 +444,6 @@
 // CHECK03B: "-L{{.*}}/Inputs/hexagon_tree/Tools/bin/../target/hexagon/lib/v60"
 // CHECK03B: "-L{{.*}}/Inputs/hexagon_tree/Tools/bin/../target/hexagon/lib"
 // CHECK03B: "-s"
-// CHECK03B: "-Tbss" "0xdead" "-Tdata" "0xbeef" "-Ttext" "0xcafe"
 // CHECK03B: "-t"
 // CHECK03B: "-u" "Foo" "-undefined" "Bar"
 // CHECK03B: "{{[^"]+}}.o"