d/rules: Build tweaked version of ls1028ardb platform for audio lineout

Build a version of the firmware with a tweaked RCW to enable I2S signals
on EC1_TXD2 (SAI4_TX_DATA) and EC1_GTX_CLK (SAI4_TX_SYNC) pins.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

debian/control

@@ -9,7 +9,7 @@ Build-Depends: debhelper-compat (= 13),
  libssl-dev <!pkg.arm-trusted-firmware.notools>,
  openssl,
  u-boot-layerscape [arm64],
- qoriq-rcw (>= 0.0~git20230925.64abe70-0+apertis1) [arm64],
+ qoriq-rcw (>= 0.0~git20230925.64abe70-0+apertis2) [arm64],
  bc [arm64]
 Rules-Requires-Root: no
 Homepage: https://www.trustedfirmware.org/

debian/rules

@@ -56,9 +56,10 @@ rcar_targets := bl31.srec bl2.srec
 rcar_make_target := rcar
 
 
-ls1028ardb_subplatforms := ls1028ardb ls1028ardb_gpiowake
+ls1028ardb_subplatforms := ls1028ardb ls1028ardb_gpiowake ls1028ardb_lineout
 ls1028ardb_assigns := BOOT_MODE=sd RCW=/usr/lib/qoriq-rcw/ls1028ardb/R_SQPP_0x85bb/rcw_1500_gpu600.bin BL33=/usr/lib/u-boot/ls1028ardb_tfa/u-boot-dtb.bin
 ls1028ardb_gpiowake_assigns := BOOT_MODE=sd RCW=/usr/lib/qoriq-rcw/ls1028ardb/R_SQPP_0x85bb/rcw_1500_gpu600_gpiowake.bin BL33=/usr/lib/u-boot/ls1028ardb_tfa/u-boot-dtb.bin
+ls1028ardb_lineout_assigns := BOOT_MODE=sd RCW=/usr/lib/qoriq-rcw/ls1028ardb/R_SQPP_0x85bb/rcw_1500_gpu600_lineout.bin BL33=/usr/lib/u-boot/ls1028ardb_tfa/u-boot-dtb.bin
 
 ls1028ardb_targets := bl2_sd.pbl fip.bin
 ls1028ardb_make_target := pbl fip